Webster's Revised Unabridged Dictionary · 1913

Crotch

Crotch (kroch; 224) , noun

[Compare Crotchet, Crutch.]

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.
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.
(Nautical) A stanchion or post of wood or iron, with two arms for supporting a boom, spare yards, etc.; -- called also crane and crutch. — Totten
3.
(Billiards) In the three-ball carom game, a small space at each corner of the table. See Crotched, below.

Crotch (krocht) , transitive verb

1.
To provide with a crotch; to give the form of a crotch to; as, to crotch the ends of ropes in splicing or tying knots.
2.
(Logging) To notch (a log) on opposite sides to provide a grip for the dogs in hauling. [Western, United States]