Breadcrumb Home > Dictionary > Index O oospore: Meaning and Definition of Find definitions for: o•o•spore Pronunciation: (ō'u-spôr", -spōr"), [key] — n. Biol. a fertilized egg within an oogonium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oospore (Thesaurus) oosphere Oost 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 Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: feral Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language