Breadcrumb Home > Dictionary > Index O Cite oba: Meaning and Definition of Find definitions for: o•ba Pronunciation: ('bu), [key] ? n. a hereditary tribal ruler among various peoples in the Benin region of western Africa. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. Ob Obad. TrendingHere are the facts and trivia that people are buzzing about. March 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress The Women's March on Versailles Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: neplusultra Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language