/ Dictionary / Index C capercaillie: Meaning and Definition of Find definitions for: cap•er•cail•lie Pronunciation: (kap"ur-kāl'yē), [key] — n. a large grouse, Tetrao urogallus, of Eurasian forests. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: capercaillie (Thesaurus) caper caper family Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language