WordWeb Online

1. The fleshy part of the human body that you sit on
   "he deserves a good kick in the buttocks";
   - nates, butt, backside, bum, buns [N. Amer], can [N. Amer, informal], fundament, hindquarters, hind end, posterior, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush [N. Amer], bottom, behind, derriere, bahookie [UK, dialect, informal], botty [informal], patootie [US, informal], heinie [US], tushy [N. Amer], derrière

1. Either of the two large fleshy masses of muscular tissue that form the human rump
   - cheek

Type of: body part

Part of: body, torso, trunk

Encyclopedia: Buttocks