/ Dictionary / Index O Osman: Meaning and Definition of Find definitions for: Os•man Pronunciation: (oz'mun, os'- Turk. os&sylpmän'), [key] — n. 1259–1326, Turkish emir 1299–1326: founder of the Ottoman dynasty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oslo Fiord Osmanli Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language