rappel, abseil -- ((mountaineering) a descent of a vertical cliff or wall made by using a doubled rope that is fixed to a higher point and wrapped around the body)
Overview of verb abseil
The verb abseil has 1 sense
rappel, abseil, rope down -- (lower oneself with a rope coiled around the body from a mountainside; "The ascent was easy--roping down the mountain would be much more difficult and dangerous"; "You have to learn how to abseil when you want to do technical climbing")