n. 25B6; plural noun CHEEKS; rear (end), rump, seat; Brit. bottom; informal behind, backside, BTM, sit-upon, derrière; Brit. informal bum, botty, jacksie; N. Amer. informal butt, fanny, tush, tail, buns, booty, heinie; humorous fundament, posterior, stern; Anatomy nates.
BUTTOCKS
Meaning of BUTTOCKS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012