Mogul /(?)/

Mo·gul

Mogul

n.
  1. A person of the Mongolian race.
  2. Any of the Mongolian peoples who conquered parts of India and established an empire lasting from 1526 to 1857. Also, any of their descendents.
  3. A heavy locomotive for freight traffic, having three pairs of connected driving wheels and a two-wheeled truck. (Railroad)
  4. A great personage; magnate; autocrat; as, an industrial mogul.

Phrases & Compounds
Great Mogul
the sovereign of the empire founded in Hindustan by the Mongols under Baber in the sixteenth century. Hence, a very important personage; a lord; -- sometimes only mogul or Moghul.