1. either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken), or T. pallidicinctus (lesser prairie chicken), having rufous, brown, black, and white plumage.
2. See sharp-tailed grouse. Also called prairie fowl, prairie grouse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.