The Collaborative International Dictionary of English v.0.48:
Pes \Pes\ (p[=e]z), n.; pl. Pedes . [L., the foot.] (Anat.) The distal segment of the hind limb of vertebrates, including the tarsus and foot. [1913 Webster]WordNet (r) 3.0 (2006):
pes n 1: the part of the leg of a human being below the ankle joint; "his bare feet projected from his trousers"; "armored from head to foot" [syn: foot, human foot, pes]