trogon Syllabification: (tro·gon)Pronunciation: /ˈtrōˌgän/Definition of trogon noun a bird of tropical American forests, with a long tail and brilliantly colored plumage. Family Trogonidae: several genera, in particular Trogon, and many species; the quetzals also belong to this family Origin: late 18th century: from modern Latin, from Greek trōgōn, from trōgein 'gnaw'trogon in other Oxford dictionaries Definition of trogon in the British & World English dictionary