hindquarter (plural hindquarters)

1. Either rear half of a side of beef, mutton, veal, lamb or by extension from another edible mammal.
2. (in the plural) The hind biped (leg) of a quadruped, or all body parts situated behind the hind legs' trunk-attachment.
   • 1945 August 17, George Orwell [pseudonym; Eric Arthur Blair], chapter 1, in Animal Farm: A Fairy Story, London: Secker & Warburg, OCLC 3655473 ↗:

     While Major was speaking four large rats had crept out of their holes and were sitting on their hindquarters, listening to him.

3. (metonymy, derogatory, usually plural) Human behind, butt.