Meaning

noun 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

originFrom any of four Chinese surnames: 關／关 (guān), 官 (guān), 管 (guǎn), or 灌 (guàn).

Etymology from Wiktionary, CC BY-SA 3.0