Breadcrumb Home > Dictionary > Index M Ma'mun, al-: Meaning and Definition of Find definitions for: Ma'•mun al- Pronunciation: (al'mä-mn', -ma-), [key] — (abu-al-'Abbās 'Abdullāh) a.d.786–833, caliph of Baghdad 813–833 (son of Harun al-Rashid). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mamoré Mamurius TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language