KHAN

I. noun Etymology: Middle English caan, from Middle French kan, kaan, of Turkic origin; akin to Turkish han prince Date: 15th century a medieval sovereign of China and ruler over the Turkish, Tatar, and Mongol tribes, a local chieftain or man of rank in some countries of central Asia, II. noun Etymology: Arabic khān Date: 1614 a caravansary or rest house in some Asian countries