The Collaborative International Dictionary of English v.0.48:

Vermiculation \Ver*mic`u*la"tion\, n. [L. vermiculatio a being
   worm-eaten.]
   1. The act or operation of moving in the manner of a worm;
      continuation of motion from one part to another; as, the
      vermiculation, or peristaltic motion, of the intestines.
      [1913 Webster]

   2. The act of vermiculating, or forming or inlaying so as to
      resemble the motion, track, or work of a worm.
      [1913 Webster]

   3. Penetration by worms; the state of being wormeaten.
      [1913 Webster]

   4. (Zool.) A very fine wavy crosswise color marking, or a
      patch of such markings, as on the feathers of birds.
      [1913 Webster]

WordNet (r) 3.0 (2006):

vermiculation
    n 1: the process of wavelike muscle contractions of the
         alimentary tract that moves food along [syn: peristalsis,
         vermiculation] [ant: anastalsis]
    2: a decoration consisting of wormlike carvings