guan n 1: any of several large turkey-like game birds of the family Cracidae; native to jungles of tropical America; resembling the curassows and valued as food
Guan \Guan\ (gw[aum]n), n. ((Zool.) Any one of many species of large gallinaceous birds of Central and South America, belonging to {Penelope}, {Pipile}, {Ortalis}, and allied genera. Several of the species are often domesticated. [1913 Webster]