layback

[ ley-bak ]
/ ˈleɪˌbæk /

noun

Figure Skating. a spin, usually performed by a woman, in which the upper body is arched backward and the free leg lifted and turned out from the hip.
Rowing. the backward lean of an oarsman's body at the end of a stroke.
Mountain Climbing. a method of entering a vertical crack by leaning back and pulling on one side of the crack while pushing against the other side with the feet.

British Dictionary definitions for layback

layback
/ (ˈleɪˌbæk) /

noun

mountaineering a technique for climbing cracks by pulling on one side of the crack with the hands and pressing on the other with the feet