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This glossary was originally put together by Chris Bate and Charles Arthur and, subsequently, many others. Gareth Rees made all the entries interlink.
You're welcome (in fact, asked) to add more terms but please send your suggestion for what's missing and your definition; don't just say "how about sesquipedalian then?". Definitions in the style of this article are most likely to get used at once. Read the article, and the e-mail address is at the bottom.
One of the first things you notice about climbing is that, just like other sports and pastimes, it has its own language and terminology, as well as its own system of grading difficulty. Here we'll deal with the lingo. It's based largely upon what you actually see, so try a few of these for size:
ABSEIL. To descend a rope using a descender or maybe with just the rope round your body (a classic abseil). Potentially lethal; the cause of more deaths than actually climbing upwards. Often abbreviated to AB. (Americans call it "rapelling" and shorten it to "rap".) [Hil McMillan]
ADVENTURE CLIMBING. What the British regard as normal and the French generally see as idiotique: anything traditional2, scary or otherwise likely to result in broken and shattered bits. What we love. [Dave Sheffield]
ALPINE START. Getting up earlier than about 5 am. So-called because climbers in the Alps tend to start early to avoid the queues or melting snow or simply because sleeping in a dormitory full of snoring Germans is a non-starter anyway. [Richard Furlong]
BARN DOOR. To swing round, away from the rock, when all your holds are on one side of your body; especially likely when laybacking an arête. Usually experienced where the hands and feet are on the same vertical surface, or the hands are holding something beyond the feet.
BELAY. (noun) A place where you attach yourself to the rock. This can either be done briefly (during a climb, you put in protection to create a "running belay" that the rope is clipped to) or more long-term, between pitches. In the latter case, the belay should involve many independent connections to the rock (or other immovable objects) that can bear a shockload of one or both climbers falling off. (verb) To protect another climber by preventing the rope from slipping; either with a belay device or with a body belay.
BELLY TRAVERSE. A traverse that involves wriggling on your belly to get from one side of a shelf to the other (because the shelf isn't high enough to let you stand up). Done well, looks very professional, as it enables hands and feet off rest. Done badly, is the source of much amusement for watchers. Most people do it badly. Also known as a stomach traverse. [Ian Redmond]
BETA. Knowledge of trick moves or protection or just about anything about a route available before you start. Initially from the US, possibly from "Betamax" (early videotape format). If you get the beta on a route, you shouldn't encounter any nasty surprises. However, knowing the beta also negates the ideal onsight. Some purists argue that even route descriptions in guidebooks constitute beta, though this makes it hard to know how you could knowingly climb the route.
BOLT. An expansion bolt (think: a big metal Rawlplug) fixed permanently into the rock face to protect a climb, thus removing the adventure climbing aspect. Used widely in France and other parts of the Continent; used sparingly (on average) in the UK, but some crags (such as Portland or Lower Pen Trwyn or some Welsh slate) are almost entirely bolt-protected. Arguments about bolts are unceasing on climbing discussion boards, and outside too. Bolts are the "murderers of the impossible" according to Reinholt Messner, but it's unarguable that sport climbing has played a key part in pushing climbing standards.
BOULDERING. Relatively low height climbing, often very technical, usually solo. Usually climbing is on boulders (hence the name), but the more technical starts of routes are often "bouldered" as well, without ropes or protection, except for a bouldering mat. [Lindsay Davies]
BOWLINE. A knot, used as an alternative to the figure of eight to attach the rope to your harness. When used in the "double" form, three loops are created, allowing the raising or lowering of an injured casualty. The knot is more complicated to tie than the figure of eight (and so easier to tie wrongly, which can be disastrous) but some climbers prefer its increased secureness. Also easier to untie after having been loaded (by falling or toproping) than the figure of eight. [Adam Palmer]
CAMPUS BOARD. Overhung board with thin (one joint or so) wooden holds; meant to be ascended without using the feet. Can destroy tendons astonishingly fast. The acme of achievement is "1-5-9" (double-handed dynos from the first to fifth to ninth hold).
CAMPUSING. Ascending a route (usually overhung) using only the hands, in the style of one training on a campus board. Can be used as a training technique and also for impressing the girls... [Wendy Allison]
CHALK. White stuff (magnesium carbonate, in fact) intended to keep hands dry, though "to keep holds white" sometimes seems like a more realistic description. Not the same as teachers' chalk or gymnasts' resin.
CHEATING. In a "sport" which has no rules, and where death is always a distinct possibility, it's hard to say that cheating as such exists while on a route. Pulling on protection, falling off, escaping to another, easier route or simply retreating can all be wise in the event. These only become "cheating" if you deny them afterwards and inflate your claims, perhaps saying you flashed a route when in fact you fell, or rested on the gear. Even this can be irrelevant ... nobody cares if you made it up that HVS cleanly except, apparently, you ... unless such claims could endanger others. Honesty is thus highly prized among climbers, and the suggestion that someone did not climb a route cleanly or never reached the top is a great insult. With no rules, climbing relies on a web of ethics; without trust, the enjoyment goes. OK?
CHICKENHEAD. American term for small lump of intrusive rock which sticks out of a slab. [Richard Furlong]
CHIPPING. The artificial manufacturing of holds where none exist, or the wilful enlarging of existing holds. Punishable by being banished to Holland which is completely flat and has no decent rocks, once the people who caught you let you out of hospital.
CHOSS. Soil, dirt, rubble, stones, vegetation, in fact anything other than good clean stable rock. [Lindsay Davies]
CLEANING. The act of removing loose rock, plant life and gravel from a route which if left in situ would render the route unsafe for you, your second or both. Enthusiastic cleaning is hard to distinguish from chipping.
CLOVE HITCH. A twin loop knot, used when the force exacted on each side of the knot is considered to be equal, Some use this knot in conjunction with two half hitches or thumb knots to form the basis of a ground ancher. Often used when placings for gear-based anchors are missing, or to tie off ropes (say, doubled back from a belay anchor). [Adam Palmer]
COMBINED TACTICS. A Victorian climbing term which involves the leader standing on the shoulders of the second in order to start the pitch. Often useful with Northumberland VS routes. [Richard Furlong]
CORNER. The inverse of an arête; like the crease of an open book. The most beautiful example in the UK is Dinas Cromlech, cleaved at 90 degrees. A really deep groove is indistinguishable from a corner.
CRACK. A split or fissure in the rock face. Horizontal cracks are known as breaks; wide cracks may be offwidths or chimneys. A very thin crack that will not easily take protection is known as a seam; it may take a piton.
CRAG. Any large expanse of rock.
CRIMP. A small hold onto which you can just get the ends of your fingers (or toes!).
DEAD ROPE. The slack rope from the belay device, as opposed to the Live Rope on the other side of the belay device that goes to the climber. It is critical that at least one hand is firmly kept on the Dead Rope at all times. With no hands on the Dead Rope it can quickly turn into the 'Death Rope'. [Steve Payne]
DESPERATE. The sort of route (or section of route) involving lots of adventure climbing and very little in the way of protection or holds. Usually involves a lot of swearing, anxiety and RPs. [Dave Sheffield]
DISCO LEG. Uncontrollable shaking of one or both legs on a climb. Curable by pushing the heel of the leg downwards while the toe stays on the rock. Usually indicates imminent retreat, either voluntary or gravity-assisted.
DOGGING. Trying and failing to cleanly ascent a route - falling or resting on the rope one or more times, optionally using the gear that has been put in to pull oneself up to a previous high point. See cheating. Can also mean any attempt to get up a route which involves hanging off the gear without returning to the ground (the latter being yo-yoing).
DYNO. A dynamic move (jumping) for an out-of-reach hold. Fun to try at the climbing wall, scary outside on lead. [Hil McMillan]
ELIMINATE. A route that doesn't take the most obvious line. Often a route between two obvious lines. [Lindsay Davies]
ETHICS. The informal rules that govern how climbers climb and how they talk and write about their climbs. Rules of conservation preserve the natural environment of the rocks ("don't climb on Mississippi Buttress when the ring ouzels are nesting"); access to the rocks ("ask the military before climbing in firing ranges"); and the rocks themselves ("don't climb on sandstone in nailed boots"); the rule of honesty - always report your style of ascent - allows climbers to compare their abilities; and rules of style preserve the possibility of failure. Without the rules of style every climb could have a bolt every metre and every ascent could use aid when it got too hard. But then where would the challenge and interest be? To have challenge, you must have uncertainty, and that means denying yourself technical aids. Styles of ascent include aid climbing, yo-yoing, pinkpoint, redpoint, traditional1, flash, headpoint, onsight, and solo. See also cheating.
EXCITING. Guidebook speak for both bold and difficult. At some point before an "exciting" move you will have a brief meditation on life, and how it might shortly be coming to an end. The best way to tackle such moves is actually not in an excited frame of mind, but rather calmly. [Tony Buckley]
EXPOSED. The kind of position where you suddenly realise how far away the ground has become; a route or move that takes you into such a position. [Tony Buckley]
FALL FACTOR. A number describing the severity of a fall, calculated by dividing the distance fallen by the length of rope between the falling climber and the belay. The forces involved in a fall are roughly proportional to the climber's weight and the fall factor.
FIGURE EIGHT. A descender or belay device, named for its shape, and very popular on the Continent and with sport climbers. Its low friction means that it needs more expert handling than a Sticht plate or gri-gri. Sometimes used to mean figure of eight.
FIGURE OF EIGHT. The most commonly used knot to attach a climber to the rope. (Strictly, it is a rethreaded figure of eight.) Solid, unlikely to slip, easy to teach and learn, and easy to see when it is tied wrongly.
FIGURE OF FOUR. Peculiar climbing move which you won't believe until you see or try it. Essential when you have a brilliant handhold but absolutely no footholds. With one hand on the hold, wrap the opposite leg over the holding wrist. With a good enough hold and enough flexibility, you can get the thigh over the wrist. From here it is possible to reach up to higher holds. Preferable to a dyno if the higher hold is not very good, as it keeps the body close to the wall. Most useful on vertical or overhanging routes. Increasingly used by competition ice climbers, who put their leg over their embedded ice axe.
FINGERBOARD A large piece of wood with individual strips of wood attached. Used by experienced climbers to increase the strength in their fingers by doing pull ups and moves without the aid of their feet. Potentially very bad for finger tendons and ligaments if tried when not completely warmed up. [Louis Joyce]
FLAPPER. Horrible little loose bit of skin that hangs off your fingers, invariably following intense bouldering on sharp rock such as greywacke (eg. Baring Head). [Wendy Allison]
FLASH. To climb a route without practice (but perhaps with beta) without falls on the first viewing and first attempt. (This is very similiar to onsight, which is even purer: no beta.) Opinion is divided as to what constitutes beta: to some people, even knowing the route's grade makes an ascent a flash rather than an onsight. Also sometimes prepended to "git" when someone achieves this feat. [Adam Palmer]
FLEXIBLE FRIEND. A friend whose long thin stem (between the business end inserted into the rock, and the end where you attach your karabiner and rope) is made of wire cable instead of solid metal. If you fall off, the stem can bend, rather than being stressed over any protruding bits of rock.
FREE CLIMBING. Progressing up a route by using your body rather than the gear. [Martin Brierley]
FRIEND. Brand name for the first make of spring loaded camming device, originally patented by Ray Jardine in 1978 and now manufactured by Wild Country; loosely, any brand of SLCD. Its invention revolutionised rock climbing because it meant that climbs with parallel cracks could be protected.
GASTON. Also known as the "lift-opener". Inelegant but sometimes necessary manoeuvre where the fingers of both hands are placed in a crack as if to pull it apart by brute strength. Very tiring; hard to stay balanced. Can be required in shallow cracks where there is no chance of jamming or laybacking for some reason. Named after French climber Gaston Rébuffat.
GRADE. How difficult it is to climb something. A complete discussion of grades is far beyond this article (see instead our articles on English grading and Bouldering grading). Grades and grading systems are a source of constant dispute, even more than bolts, despite the fact that all climbs fall into two categories: can do and can't do.
GRI-GRI. A belay device which automatically locks when the leader of a climb pulls very hard on the rope. This can happen when they fall off, and less conveniently when they urgently need some extra rope.
GRIPPED. Terrified, unable to move, gripping the rock for dear life.
HELMET. Useful device for preventing head injury and for protecting sandwiches during the walk-in. [Hil McMillan]
HEADPOINT. A traditional1 route which is led after (toprope) practice, sometimes with preplaced protection. Sometimes thought to be a modern affliction for routes over E8, though it was clearly already in use in Joe Brown's day in the 1950s; see the first ascent description for Brown's Eliminate (E2 5b), which talks of careful practice in the days of nailed boots. The traditional equivalent of a redpoint. [Michele McIntyre, Wil Treasure]
HEEL HOOK. The act of bringing one of your feet up to chest height and 'hooking' it onto a hold. Good for reaching otherwise out-of-reach holds with your free hand. Suppleness usually a help. [Louis Joyce]
HEX. Not a spell, but a hexagonal-shaped aluminium piece of protection. Very effective in a crack or a break, though many people nowadays prefers friends to do the same job. (But a hex costs half as much as a friend.) Also known as a cowbell, for the noise that a collection makes on a climber's harness.
HOLD. Any feature of the natural rockface which assists the climber's upward motion.
IN SITU. Latin for "in place". Guidebooks always recommend that you back up a piece of in situ protection (such as a piton or sling) with separate protection of your own. This is usually also impossible, as the reason the in situ gear was put there was because there the first ascensionist had no other option.
ITALIAN HITCH. Knot used to belay or abseil. Also known as a Münter hitch. Recommended when you have dropped your Sticht plate down the crag. Not recommended for multiple abseils as it twists the rope.
JUG. An excellent handhold.
JAMMING. The best forgotten art. The technique of inserting part (or all) of the body into a crack to make progress. Thin cracks take fingers, wider cracks take hands and fists, and feared offwidth cracks devour arms, shoulders, knees, feet and legs and spit them out covered with gritstone rash.
KARABINER. An oval metal hoop with a springloaded "gate". Rope and protection are attached to karabiners. Also known as a "krab". Karabiners come in many forms, and arguments about which is best occupy many hours in gear shops.
LAYAWAY. A technique for climbing on sidepulls where you lean away from the hold to improve your grip. (It really doesn't matter if it's raining or if it's fine just as long as you've got time to layaway-away-way layaway lay-lay-away way lay away layaway.)
LAYBACK. A technique for climbing on sidepulls (holds that point sideways, especially one edge of a crack or one side of an arête) by using legs and arms in opposition: pushing legs in one direction while pulling on the handholds in the other.
LIVE ROPE. The rope leading to the climber from the belay device (set link to belay device) is the Live Rope. As opposed to the slack rope on the other side of the belay device, this is referred to as the Dead Rope. [Steve Payne]
MANTLESHELF. Technique used to establish yourself on a ledge below a blank piece of rock. Colin Kirkus used to practise the move on his mantleshelf at home, which he recommended as a good way of getting rid of fragile unwanted presents from female relatives. If you've never seen a mantleshelf because you live in a modern house with central heating, try visualising the stylish way of getting out of a swimming pool. [Tony Buckley]
MARE. "Having a mare" is having major issues when halfway up a route. [Bug Mitchell]
NORTHUMBERLAND VS. A sandbag with the hard moves at the start based on the fact that all routes in Northumberland are graded to exclude the first 10 feet. Thus a Northumberland VS may have 3 moves of 6c to start and still be a VS under their grading system. [Richard Furlong]
NUT KEY. Thin tool with a hooked end used by a second for removing gear, especially nuts, jammed into cracks. For a few pictures, see this Google image search. [Brian Grey, on his first visit to the site - how did everyone else miss this one for so long?!]
OFFWIDTH. The most awkward width of crack: too wide for fist jamming, but too narrow to chimney. Exotic techniques for climbing them include hand stacks, heel-toe locks, knee bars, "chicken wings", and "Leavittation", but most climbers prefer to grunt, swear and thrash around, which we are reliably informed does no good at all.
ONSIGHT. To climb a route free with no beta, without falls, without prior inspection, from bottom to top. The "purest" way to do a route. (The ultra-pure onsight is done nude, possibly at night.) [Adam Palmer.] Any route which is led first time, with no falls. To be a true onsight the climber must not have seen anyone else perform the moves. [Wil Treasure]
OVERHANG. An area of the rock face where the top protrudes further than the bottom thus allowing gravity to come into play to an even greater degree than usual. Requires good technique to overcome. An ideal area for decking out, if it's close enough to the ground and that's your thing.
PENDULUM. 1. swinging on a length of rope in order to obtain a distant hold: a facet of aid climbing; 2. falling after climbing far to the left or right of the last runner, causing a swing. [Martin Brierley]
PITCH. A section of a climb, or the whole thing. Some climbing is "single-pitch", and some is "multi-pitch". Both versions require a good belay at the top; multi-pitch routes require good belays between pitches.
PINKPOINT. An outdated term used to describe a redpoint ascent where the quickdraws are in place for the successful ascent. In reality this is nowadays how most redpoint ascents are done and the term 'pinkpoint' has become redundant.
PITON. Piece of metal which can be hammered into a crack to act as protection. The end of the piton has an eye where a karabiner can be clipped. In Britain, "knife blade pitons" are most often encountered in seams that are too thin or the wrong shape to take a nut, but they go up in size through "right angle pitons" to massive "bongs". Often found on sea cliffs, where their trustworthiness is in inverse proportion to how badly you need them.
PLACEMENT. The place in the rockface (or sometimes things like trees growing off it) where protection is actually placed. The ideal is a sinker. Choosing among different alternatives, and finding the best and most efficient placements (in time taken to place them, gear required and final bombproofness) distinguishes the good leader from the bad or average.
PRUSIK (noun) A piece of cord which is wound around the rope and grips when weighted. Can be used as an ascender or to safeguard an abseil. See this page for a picture [link opens in new window]. (verb) To ascend the rope using prusiks. [Hil McMillan]
PUMP. The extreme forearm fatigue (caused by buildup of lactic acid in the muscles) that is your body's way of telling you go to the pub, or that you've been to the pub too often recently. So-called because your forearms feel as though they've been pumped up, or had wet concrete poured into them which has set. [Tony Buckley]
RAMP. A rising diagonal piece of rock, usually used for foot holds.
REDPOINT. Leading a sport route after inspecting it, and maybe after practising individual moves, or simply any sport lead where moves have been done before (in the event of a fall). Originally, if the quickdraws were preplaced, this would be called a pinkpoint; for a redpoint, the leader would have to place the quickdraws as they went. However, preplaced quickdraws have now become the norm and now would be known as a redpoint. Derived from German Rotpunkt. The word came in to common usage in the Frankenjura in the 1970s: it originated from the practice of painting a small red circle at the bottom of a climb that had only been climbed on aid previously. When the climb was free climbed without aid, a 'red point' was added to the centre of the circle. Kurt Albert and others started the trend.
RIPPED. (1) v. "His gear ripped out" - means that protection placed by a climber (generally, the leader)) pulled out of the places where it was put. This can be either because the placements were bad, or the forces on the gear when the rope came tight actually pulled it upwards, lifting the gear out - which in effect is "bad placement". (To avoid this, the first piece of protection placed on a pitch should be able to take an upward as well as downward, and directly outward, force. [Michele McIntyre]
ROCKOVER. Complex but enormously satisfying move that requires pushing the bodyweight over one raised knee in order to reach up to a handhold that is otherwise out of reach. Quintessential routes requiring rockovers: Downhill Racer at Froggatt, Void at Tremadog.
ROPE. The thing which (we hope) separates you from decking out and the consequent trip to the hospital or the next world. Will treat you as well as you treat it, except it won't send you flowers in hospital. Or to your funeral. Comes in two flavours, static and dynamic: you want a dynamic one if you're leading. (It's springy.) Also comes in two varieties, dry and, um, not dry: the dry one stays drier (in, say, winter climbing).
RP. A tiny nut on wire designed to fit in the tiniest of cracks where standard nuts are too fat. Being tiny, it won't (one thinks) take a big fall, which makes doing a route that needs RPs for protection a mental game too. RPs are so named because they are hand-made by Rowland Pauligk, who designed them for the climbs in the Arapiles in Australia, where he climbs. He still makes them in his garage. And that's true.
RUNNER. A point of protection that allows the free movement of the rope - unlike a tie off, or belay stance, both of which anchor it. [Martin Brierley]
SANDBAG. (noun) A route whose grade belies its difficulty. This can be either because it is undergraded, or requires a trick move to overcome the crux. Or it's just more work than it looks. (verb) To point someone at a route that is a sandbag, saying things like "It's only HVS" (unsaid: but requires the skills of an E3 climber). While the grading may get sorted out over time, trick moves tend to keep their grade. Classic example: Verandah Buttress, Stanage (supposedly VD 5b, but harder than 5b!).
SCREAMER. A rather larger and faster than average leader fall. [Richard Furlong]
SECOND. The person who belays the leader, and gets the fun of taking out their protection on the way up. Being the second is generally less dangerous than leading, because you have a rope above you; except on traverses, when it can open you up to big swings if you fall off and the leader has not put in enough protection.
SEND. American for "climb". Must have originated in California, though why and when is anyone's guess. Usage: "Dude, you really sent that problem." Generally applied to bouldering problems, to give some idea of intensity. Perhaps. Then again, perhaps they just found it easier to say.
SINKER. A V-shaped groove in the rock, getting deeper further down, which is ideal for holding nuts placed as pro. Happily, water erosion has complied by producing such shapes in weathered rock over the millennia in countless locations.
SLAB. A generally flat expanse of rock face which is slightly to the relaxed side of vertical; often gives the illusion of being easy to climb. This impression usually comes unstuck about half way up, when you run out of protection and you get a bad attack of disco leg.
SLAP. Desperate grab for a handhold. Good climbers don't seem to do it when you watch them, but admit to it afterwards.
SMEARING. The technique of using the flat soles of the feet to apply direct pressure onto the rock where only extremely small holds or no holds at all exist. Heroes smear! (Except on gritstone, where everyone must.)
SOLO. To climb on your own with or without ropes but usually without ropes is implied when using the term in the UK. This is a high-risk activity which carries the near-certainty of decking out if you mess things up. Enormously satisfying when it works, though possibly not for observers. Americans call this "free soloing" to distinguish it from "roped soloing" (climbing on your own but using ropes).
SPOT. To position yourself to catch, deflect or otherwise reduce the momentum of a falling soloist. Self-interest on the part of the spotter usually means the soloist is not too far off the ground at the time. The ideal spotter is fat, soft, slightly inflatable and can move very quickly into position. Most climbers aren't and can't, which is why bouldering mats are such big business. [Tony Buckley]
SPRING LOADED CAMMING DEVICE. Friends were the first brand but there are many variations. An SLCD has four (in smaller versions, two or three) rounded cams which are forced apart by a spring. To place them you contract the spring, then release it, putting the cam faces into contact with the rock. It's impossible to believe they will work until you fall onto one, after which you use them relentlessly. However, SLCDs can exert huge sideways forces when fallen on: beware if you place one behind an expanding flake.
STATIC ROPE. Compared to a dynamic rope, a static rope does not significantly stretch when loaded. Used for abseiling, hauling or toproping; disastrous for leading because all the impact is transferred to the falling climber. [Lindsay Davies]
STOPPER KNOT. Or just "stopper"; a knot in the tail of a rope that prevents it from slipping through and keeps it out of the way. Used after tying the rope to your harness with a figure of eight, or on the your ropes before you abseil so you can't slip off the ends. Good stopper knots are the overhand and double overhand knots.
TAT. Weather-beaten and ragged slings, left behind on belays, bolts, chockstones and threads. Often to be treated with extreme caution. On longer routes that you may have to abseil off, take up some tat with you that you can use for an anchor and leave behind, rather than leaving more expensive nuts etc. [Lindsay Davies]
THRUTCH. A traditional2 technique marking the triumph of determination over style. Employed in chimneys, offwidths and other places you (or your clothes, or knees) would be better off avoiding. [Tony Buckley]
THUMB SPRAG. Esoteric technique of using any available edge in a crack. When a crack is too thin to actually fit the fingers in, you can still gain some purchase with thumb sprags (which, confusingly, also involve the fingers). For example, with the right hand, make a half-fist. Now push the four fingers against the right-hand (nearer your wrist) side of the crack, and the thumb against the left-hand side. Amazingly, this can work at least to keep you on balance. Requires very strong hands to be used for any length of time.
TOPPING OUT. Reaching the top of the climb and clambering stylishly onto the top of the crag whilst the camera shutters click below. Alternatively a desperate and undignified scramble for the top of the climb using arms, legs, belly, teeth, rope, gear and anything else which will assist the process. Delete as appropriate.
TRAVERSE. To move across the rock, left, right or possibly diagonally in either direction, rather than directly upwards.
UNDERCLING. A hold which must be grasped from its underside to be used to best effect.
WALK-IN.This is the length of time it takes to get from your car to the base of the crag. This figure is inversely proportional to the number of people you can expect to find climbing at your chosen venue. Just make sure that your partner shares the same view of what constitutes an acceptable value for the walk-in time.
WANGER. A huge fall. [Robin Mueller]
WIRE BRUSHING. Cleaning the rock with a wire brush. Generally frowned on by the climbing community, apart from the selfish ones, because it damages the rock (especially gritstone, which often has a surprisingly thin protective layer but erodes rapidly when this is destroyed). [Robin Mueller]
WIRED. To have a route "wired" means to have its moves completely figured out, usually through practice or by watching someone else on it. [Patricia Novelli]
YO-YO. To climb a route in a style where, if you fall off, you return to the ground, leaving all your protection in place and then start climbing again after a rest. The yo-yo refers to the repeated up and down movement of the climber who falls off more than once on a hard move. A common style of ascent in the 1970s and early 1980s, before the preferred style became redpointing.
ZAWN. Small steep-sided channel of sea, the sides of which often provide climbing. Primary use is to get climbers wet by turning small waves into big ones and projecting them upwards. For added amusement, it is possible to jump or bridge across some (as in the route Kinkyboots at Baggy Point); however this is not recommended or even possible for others (such as Wen Zawn in Anglesey). [Crispin]
ZONE(1) To be "in the zone" is to be in THE perfect mental state for climbing. Some climbers can consciously achieve this state through meditation. [Patricia Novelli]
If you found this article useful, you might like to take a look at 100 Things You Learn From Experience, which assumes that you know the stuff above and feel like having a laff.
Definitions we don't have but still need: actually, we don't know, but if you read this and can think of one, then send it in – get your name in lights.