buttock


but·tock

noun \ˈbət-ək\

Definition of BUTTOCK

1
: the back of a hip that forms one of the fleshy parts on which a person sits
2
buttocks pl : the seat of the body; also : the corresponding part of a quadruped : rump

Seen & Heard

What made you want to look up buttock? Please tell us where you read or heard it (including the quote, if possible).