buttocks meaning

Definition of buttocks

1. the fleshy part of the human body that you sit on
   • he deserves a good kick in the butt
   • are you going to sit on your fanny and do nothing?

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

   Type of: body part

How to pronounce buttocks

buttocks is pronounced /ˈbʌtəks/ in American English. It has 2 syllables, with the stress on the first syllable.