Webster’s Revised Unabridged Dictionary · 1913
Quesal
Que·sal′ (kā·säl′ or kwā′sl), n. (Zoöl.) The long-tailed, or resplendent, trogon (Pharomachus mocinno, formerly Trogon resplendens), native of Southern Mexico and Central America. Called also quetzal, and golden trogon.
☞ The male is remarkable for the brilliant metallic green and gold colors of his plumage, and for his extremely long plumes, which often exceed three feet in length.