any of various New World passerine birds (family Mimidae); esp., a species (Mimus polyglottos) of the U.S. noted for its song and its ability to imitate the calls of many other birds
See mockingbird in American Heritage Dictionary 4
(mŏkˈĭng-bûrdˌ)
noun
Any of several species of New World birds of the family Mimidae, especially Mimus polyglottos, a gray and white bird of the southern and eastern United States, noted for the ability to mimic the sounds of other birds.