/ Dictionary / Index C cacuminal: Meaning and Definition of Find definitions for: ca•cu•mi•nal Pronunciation: (ku-ky'mu-nl), [key] — Phonet. Phonet. —adj. pronounced with the tip of the tongue curled back toward or against the hard palate; retroflex; cerebral. —n. a cacuminal sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cacuminal (Thesaurus) cactus wren cad Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language