/ Dictionary / Index C cougar: Meaning and Definition of Find definitions for: cou•gar Pronunciation: (k'gur), [key] — pl. -gars, -gar. a large, tawny cat, Felis concolor, of North and South America: now greatly reduced in number and endangered in some areas. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cougar (Thesaurus) Couette flow cough Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language