(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
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"
- diagonal abseil 斜式绕绳下降...
- rappel 绕绳下降