Part of speech: Noun
the angle formed by the inner sides of the legs where they join the human trunk
Categories: Angle
Genitals, Privates, Fork, Genital organ, Genitalia
The word "crotch" comes from Middle English croche, which comes from Middle English croche.
crook – A related word in the same word family.
Chaucer's Canterbury Tales show how creatively Middle English speakers mixed vocabularies.