Source : Webster's Revised Unabridged Dictionary (1913)

Vermiform \Ver"mi*form\, a. [L. vermis a worm + -form.]
   Resembling a worm in form or motions; vermicular; as, the
   vermiform process of the cerebellum.

   {Vermiform appendix} (Anat.), a slender blind process of the
      c[ae]cum in man and some other animals; -- called also
      {vermiform appendage}, and {vermiform process}. Small
      solid bodies, such as grape seeds or cherry stones,
      sometimes lodge in it, causing serious, or even fatal,
      inflammation. See Illust. under {Digestion}.

Source : WordNet®

vermiform
     adj : resembling a worm; long and thin and cylindrical [syn: {worm-shaped}]