/ Dictionary / Index C cardinal: Meaning and Definition of Find definitions for: car•di•nal Pronunciation: (kär'dn-l), [key] — adj. of prime importance; chief; principal: of cardinal significance. of the color cardinal. —n. a high ecclesiastic appointed by the pope to the College of Cardinals and ranking above every other ecclesiastic but the pope. Also calleda crested grosbeak, Cardinalis cardinalis, of North America, the male of which is bright red. any of various similar birds. a deep, rich red color. a woman's short cloak with a hood, originally made of scarlet cloth and popularly worn in the 18th century. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cardinal (Thesaurus) Cardiganshire cardinalate Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language