Pronunciation: (pin'tāl"), [key]
—pl. -tails, (esp. collectively) -tail.
1. a long-necked river duck, Anas acuta, of the Old and New Worlds, having long and narrow middle tail feathers.
2. See sharp-tailed grouse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.