Pygostyle

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pygostyle \Py"go*style\, n. [Gr. pygh` the rump + ? a pillar.]
     (Anat.)
     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 vertebr[ae], and supports the uropigium.


     [1913 Webster]