/ Dictionary / Index C crocus: Meaning and Definition of Find definitions for: cro•cus Pronunciation: (krō'kus), [key] — pl. -cus•es. any of the small, bulbous plants of the genus Crocus, of the iris family, cultivated for their showy, solitary flowers, which are among the first to bloom in the spring. the flower or bulb of the crocus. a deep yellow; orangish yellow; saffron. a polishing powder consisting of iron oxide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crocus (Thesaurus) crocoite crocus sack Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language