# buttock

Pronunciation: say "BUT-uhk" /ˈbʌtək/

## Noun

1. Either of the two large fleshy halves of the rear of the body, lying between the base of the back and the tops of the legs.
   - Simple: One of the two rounded, fleshy parts of the body that a person sits on.
   - _A deep bruise spread across his right buttock after the fall._
   - _The tailor adjusted the trousers where they pulled tight over each buttock._

## Other meanings

- (noun) The outward curve of a ship's hull at the rear, swelling beneath and behind the stern.

## Origin

Inherited from Middle English buttok, probably from Old English buttuc meaning "end" or "end piece." It is a diminutive of the presumed Old English ancestor of "butt" plus the suffix -ock, and has had its current anatomical sense since about 1300.

Source: DictionaryAI, https://dictionaryai.com/define/buttock (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).