beglerbeg

from The Collaborative International Dictionary of English v.0.48

Beglerbeg \Beg"ler*beg`\, n. [Turk. beglerbeg, fr. beg, pl.
   begler. See {Beg}, n.]
   The governor of a province of the Ottoman empire, next in
   dignity to the grand vizier.
   [1913 Webster]