Source : Webster's Revised Unabridged Dictionary (1913)

Neurapophysis \Neu`ra*poph"y*sis\, n.; pl. {Neurapophyses}. [NL.
   See {Neuro-}, and {Apophysis}.] (Anat.)
   (a) One of the two lateral processes or elements which form
       the neural arch.
   (b) The dorsal process of the neural arch; neural spine;
       spinous process.