The DICT Development Group

  fanny
      n 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?" [syn: buttocks, 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]
      2: external female sex organs; "in England `fanny' is vulgar
         slang for female genitals" [syn: female genitalia, female
         genitals, female genital organ, fanny]

  21 Moby Thesaurus words for "fanny":
     arse, ass, backside, behind, bottom, bum, can, cheeks, derriere,
     heinie, hind end, keister, posterior, prat, rusty-dusty, seat,
     stern, tail, tuchis, tush, tushy