rappelling

n. act of descending a mountain face by sliding down a rope which is attached to a body harness and fastened to an overhead projection

v. descend a mountain face by sliding down a rope which is attached to a body harness and fastened to an overhead projection

Abseiling (from the German: abseilen, "to rope down") is the process of descending on a fixed rope.
See more at Wikipedia.org...

Verb
1. lower oneself with a double 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"
(synonym) abseil, rope down
(hypernym) descend, fall, go down, come down
(entail) mountaineer
(classification) sport, athletics

CALANDOSI