chuck-will's-widow definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a large nightjar (Caprimulgus carolinensis) of the S U.S., often mistaken for the slightly smaller whippoorwill
Origin: echoic of its cry
chuck-will's-widow definition by American Heritage Dictionary
A bird (Caprimulgus carolinensis) of the southern and central United States, resembling but larger than the whippoorwill.
Origin: Imitative of its call.