/ Dictionary / Index M multilateral: Meaning and Definition of Find definitions for: mul•ti•lat•er•al Pronunciation: (mul"ti-lat'ur-ul), [key] — adj. having several or many sides; many-sided. participated in by more than two nations, parties, etc.; multipartite: multilateral agreements on disarmament. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: multilateral (Thesaurus) multihull multilateralize Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language