/ Dictionary / Index C cyma: Meaning and Definition of Find definitions for: cy•ma Pronunciation: (sī'mu), [key] — pl. -mae -mas. either of two moldings having a partly convex and partly concave curve for an outline: used esp. in classical architecture. Cf. cyma recta, cyma reversa. a cyme. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyma (Thesaurus) Cym. cymaise Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language