(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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pygostyle. Retrieved September 21, 2026, from http://smartdefine.org/pygostyle/definitions/2051295 |
| Chicago | Webster's. 2011. "pygostyle" http://smartdefine.org/pygostyle/definitions/2051295 (accessed September 21, 2026). |
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| MLA | Webster's. "pygostyle" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/pygostyle/definitions/2051295> |