crotchkrɒtʃ(n.)

1. a place where something divides, as the human body between the legs.

2. the part of trousers, panties, etc., where the two legs or panels join.

   Category: Clothing

3. a piece of material serving as a juncture between the legs or panels of trousers, underpants, etc.

   Category: Clothing

4. the area of a tree at which a main branch joins the trunk.

5. a forked object, as a staff with a forked top.

Origin of crotch:

1530–40; var. of crutch

crotched(adj.)