Rock Climbing Terms: A Beginner’s Glossary

Rock climbing terms are the shorthand climbers use to describe moves, holds, grades and safety calls. Knowing words like beta, crimp, send, flash, dyno and belay helps beginners follow a climbing partner, read a route and stay safe. This glossary explains 25+ of the most common terms in plain English.

Why learn rock climbing terms?

Walk into any climbing gym in Singapore and you will hear a language of its own. Someone “sends a project,” another “takes” on the rope, a coach shouts “match your feet.” For a first-timer it can feel like eavesdropping on a different sport. Learning the vocabulary does three things: it lets you understand instruction quickly, it helps you give and receive beta (move-by-move tips), and it keeps belaying and falling communication clear, which is a genuine safety issue.

The terms below are grouped so you can scan by topic. They apply to both indoor and outdoor climbing, and to bouldering, top-rope and lead alike.

Movement and technique terms

These words describe how you move on the wall.

• Beta - The sequence of moves used to complete a climb. “What’s the beta for this one?” means “How do I do it?”
• Dyno - A dynamic move where you jump or lunge to a hold, with both hands (and sometimes feet) leaving the wall.
• Mantle - Pressing down on a hold to push your body up over it, like climbing out of a swimming pool.
• Smear - Pressing the sole of your shoe flat against the wall for friction when there is no proper foothold.
• Flag - Extending a leg out to one side for balance instead of placing it on a hold.
• Lock off - Holding your body steady with a bent, engaged arm so the other hand can reach the next hold.
• Match - Placing both hands (or both feet) on the same hold.
• Heel hook / Toe hook - Using the heel or top of the toe to pull or stabilise on a hold, often on overhangs.

Holds and wall features

The shapes you grab and stand on have names too.

• Crimp - A small edge gripped with the very tips of your fingers, often with knuckles arched.
• Jug - A large, easy-to-hold grip you can wrap your whole hand around. The friendliest hold there is.
• Sloper - A rounded, featureless hold with no positive edge; you rely on open-hand friction.
• Pinch - A hold squeezed between thumb and fingers.
• Pocket - A hole in the hold or wall that fits one to three fingers (a “mono” fits one).
• Volume - A large geometric shape bolted onto the wall that you climb on or around, often with smaller holds attached.

Sending and grading terms

These describe success and difficulty.

• Send - To complete a climb cleanly from start to finish without falling or resting on the rope.
• Flash - Sending a route on your first try, but with prior knowledge or beta about it.
• Onsight - Sending on your first try with no prior information at all. Harder than a flash.
• Redpoint - Sending a route after previously practising it.
• Project - A climb you are working on over multiple sessions because it is at your limit.
• Crux - The hardest single section of a route.
• Pumped - The burning, fatigued feeling in your forearms when they fill with lactic acid.
• Grade - The difficulty rating of a climb. Singapore gyms commonly use the V-scale for bouldering (V0 upward) and the French sport scale (e.g. 6a, 6b) for roped routes.

Safety and equipment terms

This group matters most for staying safe, especially on a rope.

• Belay - Managing the rope to protect a climber from falling, using a belay device. The person doing this is the belayer.
• Take - A call meaning “hold me on the rope, I want to rest or stop.”
• Slack - Loose rope. “Slack!” asks the belayer to feed out more rope.
• Top-rope - Climbing with the rope anchored above you, so falls are short. The usual starting point for beginners.
• Lead - Climbing while clipping the rope into protection as you go, so falls are longer. A more advanced discipline.
• Bouldering - Climbing shorter walls without a rope, protected by thick crash mats below.
• Chalk - Magnesium carbonate powder used to keep hands dry and improve grip.
• Crash pad / Mat - The padded surface beneath a boulder that cushions falls.

A quick reference table

Term	One-line meaning
Beta	The sequence of moves for a climb
Crimp	Small edge held with fingertips
Jug	Big, comfortable hold
Send	Complete a climb cleanly
Flash	Send first try, with beta
Onsight	Send first try, no info
Dyno	Jumping, dynamic move
Belay	Managing the rope for safety
Crux	Hardest part of a route
Pumped	Fatigued, burning forearms

How to pick up the lingo fast

The quickest way to learn rock climbing terms is to climb with others and ask questions. Most climbers are happy to share beta and explain a call mid-session. Booking a beginner class or a belay certification course will also drill the safety vocabulary properly, since words like “take,” “slack” and “belay on” are taught as part of learning to use the rope.

If you are starting out in the west of Singapore, indoor walls such as the climbing facilities at Super Arena in Clementi are a good place to practise these terms in a controlled, padded environment before heading outdoors. Indoor climbing lets you repeat moves safely and build the muscle memory and language together.

Once the vocabulary clicks, the sport opens up: you can read a guidebook, follow a coach, and talk through a project with a partner. Keep this glossary handy for your first few sessions and the terms will become second nature within a few visits.

Frequently asked questions