A bird of the Western United States (Phalænoptilus Nutalli) allied to the whip-poor-will.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "poor-will" in a sentence
"Throw in the clinics, and the state-always desperate to expand health care to the poor-will have to say Yes."
"Suddenly a poor-will lit on the floor beside me and stayed some little time; now and then uttering its mournful cries, then ceasing for a few moments as it flitted round after insects, and again returning to the same place to begin anew."
"Just now you should be in such cool mistiness, while you should be hearing a hermit thrush sing vespers, a cedar bird call, and a whip - poor-will cry."