n.
Function: noun
Etymology: Middle English; probably akin to Middle English buttok buttock, Low German butt blunt
Date: 15th century
1 : BUTTOCKS ― often used as a euphemism for ass in idiomatic expressions <get your butt over here> <kick butt > <saved our butt s >
2 : the large or thicker end part of something: a : a lean upper cut of the pork shoulder b : the base of a plant from which the roots spring c : the thicker or handle end of a tool or weapon
3 a : an unused remainder (as of a cigarette or cigar) b slang : CIGARETTE
4 : the part of a hide or skin corresponding to the animal's back and sides