rump

Noun
  1. The part of an animal that corresponds to the human buttocks (synset 102466242)
  2. Fleshy hindquarters;
    Behind the loin and above the round (synset 107678578)
  3. The fleshy part of the human body that you sit on (synset 105566889)
    "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"

Other Searches