'whippowil' definitions:

Definition of 'whippowil'

From: GCIDE
  • Whip-poor-will \Whip"-poor-will`\, n. (Zool.) An American bird (Antrostomus vociferus) allied to the nighthawk and goatsucker; -- so called in imitation of the peculiar notes which it utters in the evening. [Written also whippowil.] [1913 Webster]