Breadcrumb Home > Dictionary > Index O Cite ogdoad: Meaning and Definition of Find definitions for: og•do•ad Pronunciation: (og'd?-ad"), [key] ? n. the number eight. a group of eight. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: ogdoad (Thesaurus) Ogdensburg ogee TrendingHere are the facts and trivia that people are buzzing about. February 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 The Manchu Related Content Daily Word Quiz: invective Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language