A bovine mammal(Bison bison) of western North America, having large forequarters, a shaggy mane, and a massive head with short, curved horns; a buffalo.

• 美洲野牛北美洲西部的一种牛类哺乳动物（美洲野牛野牛属），前半身大，有浓粗的鬃毛，上有弯曲的短角的巨大头部；野牛