1. (n.) The arched middle portion of the human foot next in front of the ankle joint.

2. (n.) That part of the hind leg of the horse and allied animals, between the hock, or ham, and the pastern joint.

arch clubfoot digit dog extremity fetlock foot forefoot forepaw harefoot heel hoof pad pastern patte paw pedal extremity pedes pes pied pug sole splayfoot toe tootsy trotter ungula