rappelling
noun
The activity of lowering yourself down a cliff or wall using a rope.
The American term; British and Australian climbers call the same activity 'abseiling'.
Related words
kayakingThe sport of paddling a kayak, whether racing or performing tricks.climbingThe sport of going up rock faces, walls, or other structures using hand and foot holds, usually secured by a rope and a partner.canoeingThe sport of paddling or racing canoes or kayaks on the water.sleddingThe activity of riding a sled down a snowy slope, or of moving things by sled.fishingThe activity of trying to catch fish.snowboardingThe sport of riding down snowy slopes standing on a snowboard.