Source : Webster's Revised Unabridged Dictionary (1913)

Mimicry \Mim"ic*ry\, n.
   1. The act or practice of one who mimics; ludicrous imitation
      for sport or ridicule.

   2. (Biol.) Protective resemblance; the resemblance which
      certain animals and plants exhibit to other animals and
      plants or to the natural objects among which they live, --
      a characteristic which serves as their chief means of
      protection against enemies; imitation; mimesis; mimetism.

Source : WordNet®

mimicry
     n 1: the act of mimicking; imitative behavior [syn: {apery}]
     2: the resemblance of an animal species to another species or
        to natural objects; provides concealment and protection
        from predators