Autocrat
Pronunciation : Au"to*crat
Part of Speech : n.
Etymology : [Gr. autocrate. See Hard, a.]
Definition : 1. An absolute sovereign; a monarch who holds and exercises the powers of government by claim of absolute right, not subject to restriction; as, Autocrat of all the Russias (a title of the Czar).
2. One who rules with undisputed sway in any company or relation; a despot. The autocrat of the breakfast table. Holmes.
Source : Webster's Unabridged Dictionary, 1913