noun night·jar \ˈnīt-ˌjär\

Definition of nightjar

  1. :  any of a family (Caprimulgidae) of medium-sized long-winged crepuscular or nocturnal birds (as the whip-poor-wills and nighthawks) having a short bill, short legs, and soft mottled plumage and feeding on insects which they catch on the wing —called also goatsucker

Origin and Etymology of nightjar

from its harsh sound

First Known Use: 1630

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