noun.
The resemblance of one organism to another or to an object in its surroundings for concealment and protection from predators.
The Century Dictionary and Cyclopedia
noun.
The act of imitating in speech, manner, or appearance; mockery by imitation; simulation.
noun.
An imitation; that which imitates or simulates.
noun.
In zoology, the simulation of something else in form or color, etc.; mimesis.
the GNU version of the Collaborative International Dictionary of English
noun.
The act or practice of one who mimics; ludicrous imitation for sport or ridicule.
noun.
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.