postzygapophysis

from The Collaborative International Dictionary of English v.0.48

Postzygapophysis \Post*zyg`a*poph"y*sis\, n.; pl.
   {Postzygapophyses}. [NL. See {Post-}, and {Zygapophysis}.]
   (Anat.)
   A posterior zygapophysis.
   [1913 Webster]