but·tock
noun/ˈbʌtək/
/ˈbʌtək/
[usually plural]- either of the two round soft parts at the top of a person’s legs
enlarge image屁股的一边；臀部 - He fell down hard on his right buttock and slid along the path.
他狠狠地摔到了右边屁股，顺着小路滑了出去。
Oxford Collocations Dictionaryadjective- firm
- rounded
- bare
- …
Word OriginOld English buttuc, probably from the base of butt ‘thicker end of something’ + -ock. - He fell down hard on his right buttock and slid along the path.