pes Syllabification: (pes)Pronunciation: /pēs, pās/Definition of pes noun (plural pedes /ˈpēdēz, ˈpedēz/) technical the human foot, or the corresponding terminal segment of the hind limb of a vertebrate animal. Origin: mid 19th century: from Latin, 'foot'pes in other Oxford dictionaries Definition of pes in the British & World English dictionary