Cavité irrégulière.
1. The quality or state of being anfractuous
2. A winding channel or course; especially; an intricate path or process (as of the mind)
ETYM Old Eng. crevace, crevice. French crevasse, from crever to break, burst, from Latin crepare to crack,break. Related to Craven, Crepitate, Crevasse.
A long narrow depression in a surface; SYN. cranny, crack, fissure, chap.