Breadcrumb Home > Dictionary > Index M Metroplex: Meaning and Definition of Find definitions for: Met•ro•plex Pronunciation: (me'tru-pleks"), [key] — n. a vast metropolitan area that encompasses several cities and their suburbs: We're moving to the Dallas-Ft. Worth Metroplex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. metronymic metropolis TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language