Source : Webster's Revised Unabridged Dictionary (1913)

Apophysis \A*poph"y*sis\, n.; pl. {-ses}. [NL., fr. Gr. ?
   offshoot, process of a bone, fr. ? to grow from; ? from + ?,
   ?, to grow.]
   1. (Anat.) A marked prominence or process on any part of a
      bone.

   2. (Bot.) An enlargement at the top of a pedicel or stem, as
      seen in certain mosses. --Gray.

Source : WordNet®

apophysis
     n 1: (botany) a natural swelling or enlargement: at the base of
          the stalk or seta in certain mosses or on the cone scale
          of certain conifers
     2: (anatomy) a natural outgrowth or projection on an organ or
        part such as the process of a vertebra
     [also: {apophyses} (pl)]