any of various American orioles of the genera Molothrus, Tangavius, etc, esp M. ater (common or brown-headed cowbird). They have a dark plumage and short bill
cowbird in American English
(ˈkaʊˌbɜrd)
US
noun
any of a number of small American blackbirds (esp. Molothrus ater) often seen near cattle: cowbirds lay eggs in other birds' nests
Examples of 'cowbird' in a sentence
cowbird
They'd wanted a big, selfish cowbird chick of their own---an even closer, more important blood relative---that would squeeze Keefer out.