HAUNCH

noun

1. The area encompassing the upper thigh, hip and buttocks on one side of a human, primate, or quadruped animal, especially one that can sit on its hindquarters.
2. The loin and leg of a quadruped, especially when used as food.
3. A squat vertical support structure.

verb

1. To provide with a haunch or supporting structure.
2. To throw with an underhand movement.