Source : Webster's Revised Unabridged Dictionary (1913)

Khan \Khan\, n. [Pers. & Tart. kh[=a]n.] [Also {kan}, {kaun}.]
   A king; a prince; a chief; a governor; -- so called among the
   Tartars, Turks, and Persians, and in countries now or
   formerly governed by them.

Khan \Khan\, n. [Per. kh[=a]n, kh[=a]nah, house, tent, inn.]
   An Eastern inn or caravansary. [Written also {kawn}.]

Source : WordNet®

khan
     n 1: a title given to rulers or other important people in Asian
          countries
     2: an inn in some Eastern countries with a large courtyard that
        provides accommodation for caravans [syn: {caravansary}, {caravanserai},
         {caravan inn}]