- Bengali Word খাঁ, খানEnglish definition[Persian] (noun) (1) surname used by the Pathans. (2) family name used with Muslims names. (3) appellation given to Hindus by Muslim kings as a mark of honour: যশোরাজ খাঁ, গুণরাজ খাঁ. খাঁ সাহেব, খাঁ বাহাদুর title of honour given to meritorious Muslims during British rule.