haunch /hɔːntʃ $ hɒːntʃ/ BrE AmE noun [countable]
[ Date: 1100-1200 ; Language: French ; Origin: hanche ]
1 . haunches [plural] the part of your body that includes your bottom, your ↑ hip s , and the tops of your legs
on your haunches
They squatted on their haunches playing dice.
2 . one of the back legs of a four-legged animal, especially when it is used as meat