Definition of Osman I in English:

Osman I

(also Othman)

proper noun

  • (1259–1326), Turkish conqueror, founder of the Ottoman (Osmanli) dynasty and empire. Osman reigned as sultan of the Seljuk Turks from 1288, conquering north-western Asia Minor. He assumed the title of emir in 1299.

Pronunciation

Osman I

/ˈɒzmən/