poor-will

[ poo r-wil ]
/ ˈpʊərˌwɪl /

noun

a goatsucker, Phalaenoptilus nuttallii, of western North America.

Origin of poor-will

An Americanism dating back to 1875–80; imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019