1 a large wild animal that lives in Africa and Asia that looks like a cow with long curved horns 水牛；野牛（产于非洲及亚洲，形似奶牛，长一对长长的弯角）: a herd of buffalo 一群野牛fifty buffaloes 五十头水牛

2 =BISON ☞Look at water buffalo. 参看 water buffalo。