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Related to whip-poor-will: chuck-will's-widow
whip-poor-willor whip·poor·will (wĭp′ər-wĭl′, hwĭp′-, wĭp′ər-wĭl′, hwĭp′-)
Either of two nightjars (Caprimulgus vociferus or C. arizonae) found in North and Central America and having mottled brown, black, and gray feathers that blend in with their woodland habitat.
[Imitative of its call.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.