DICT.TW Dictionary Taiwan

 keis·ter /ˈkistɚ/

 keister
      n : 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?" [syn: buttocks, nates,
           arse, butt, backside, bum, buns, can, fundament,
           hindquarters, hind end, posterior, prat, rear,
           rear end, rump, stern, seat, tail, tail end,
           tooshie, tush, bottom, behind, derriere, fanny,
           ass]