单词 uropygial 释义 uropygial, a. and n. Ornith.|-pdl|[a. F. uropygial: see uropygi-um and -al1.]1. adj. Situated on, belonging to, the rump or uropygium. Usu. uropygial gland.1870Rolleston Anim. Life 16 The crop and the uropygial gland are peculiar to,...