Breadcrumb Home > Dictionary > Index O Osasco: Meaning and Definition of Find definitions for: O•sas•co Pronunciation: (oo-säs'koo), [key] — n. a city in SE Brazil, NW of São Paulo. 376,689. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osasco (Thesaurus) osar O.S.B. TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: nemesis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language