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pygostyle |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pygostyle \Py"go*style\, n. [Gr. ? 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.