Breadcrumb Home > Dictionary > Index O Cite Oporto: Meaning and Definition of Find definitions for: O•por•to Pronunciation: (ō-pôr'tō, ō-pōr'-), [key] — n. a port in NW Portugal, near the mouth of the Douro River. 300,925. Portuguese, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oporto (Thesaurus) OPM opossum TrendingHere are the facts and trivia that people are buzzing about. April 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World Quetzalcoatl: Aztec Myths and Myths About the Aztecs Related Content Daily Word Quiz: paschal Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language