/ Dictionary / Index C crimson flag: Meaning and Definition of Find definitions for: crim'son flag' Pronunciation: [key] a southern African plant, Schizostylis coccinea, of the iris family, having tubular red flowers. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crimson clover crine Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language