Definitions for abseilˈɑp saɪl, ˈæb seɪl
Random House Webster's College Dictionary
ab•seilˈɑp saɪl, ˈæb seɪl(n.; v.i.)
Chiefly Brit. rappel.
Origin of abseil:
1930–35; < G abseilen=ab- down +seilen to rope
(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
rappel, abseil, rope down(verb)
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"
A descent in mountaineering using a rope looped at the top and a friction device.
To descend a steep or vertical drop using a rope with a mechanical friction device or (classic abseil) by wrapping the rope around the body; to rappel.
Origin: 20th century, from abseilen, from ab + seil.