Crotch n.; pl. Crotches
 1. The angle formed by the parting of two legs or branches; a fork; the point where a trunk divides; as, the crotch of a tree. more specifically, the space on the human torso between the two legs; also, the corresponding part between the legs of a pair of pants, which is in contact with the crotch of the wearer; as, pants with a tight crotch have become very popular.
 2. Naut. A stanchion or post of wood or iron, with two arms for supporting a boom, spare yards, etc.; -- called also crane and crutch.
 3. Billiards In the three-ball carom game, a small space at each corner of the table. See Crotched, below.