backside

UK: /bˈæksa‍ɪd/   US: /ˈbækˌsaɪd/

Samheiti: arse, ass, back end, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush