/ Dictionary / Index C cymation: Meaning and Definition of Find definitions for: cy•ma•ti•on Pronunciation: (si-mā'shē-on", sī-), [key] — pl. -ti•a cymatium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cyma reversa cymatium 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