Mimicry, 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.
Shades of meaning
Fernald has no entry of its own for mimicry; he lists it under caricature.
Where he writes about it:
Imitation is serious; mimicry is either intentionally or unintentionally comical. — from caricature
Antonyms
none given