posterior

UK: /pɒstˈi‍əɹɪɐ/   US: /ˌpɔˈstɪɹjɝ/

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