cowbird Meaning, Definition & Usage

  1. noun North American blackbird that follows cattle and lays eggs in other birds' nests

WordNet

Cow"bird` noun
Definitions
  1. (Zoöl.) The cow blackbird (Molothrus ater), an American starling. Like the European cuckoo, it builds no nest, but lays its eggs in the nests of other birds; -- so called because frequently associated with cattle.

Webster 1913