a slate-gray North American passerine bird (Dumetella carolinensis) with a black crown and tail: it makes a mewing sound like that of a cat and is in the same family (Mimidae) as the mockingbirds and thrashers
See catbird in American Heritage Dictionary 4
(kătˈbûrdˌ)
noun
A North American songbird (Dumetella carolinensis) having predominantly slate plumage.