单词：pygostyle
音标：['pai^ә,stail] ；
尾综骨
n. The plate of bone which forms the posterior end of the
vertebral column in most birds; the plowshare bone; the vomer. It is
formed by the union of a number of the last caudal vertebrae, and
supports the uropigium.
vertebral column in most birds; the plowshare bone; the vomer. It is
formed by the union of a number of the last caudal vertebrae, and
supports the uropigium.