/ Dictionary / Index M multivalve: Meaning and Definition of Find definitions for: mul•ti•valve Pronunciation: (mul'ti-valv"), [key] — adj. (of a shell) composed of more than two valves or pieces. —n. a multivalve mollusk or its shell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multivalued multivariate Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language