Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
pygostyle
CIDE DICTIONARY
pygostyle, n. [Gr. pygh` the rump + a pillar.].
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 vertebræ, and supports the uropigium. [1913 Webster]
For further exploring for "pygostyle" in Webster Dictionary Online