Mogul
Pronunciation : Mo*gul"
Part of Speech : n.
Etymology : [From the Mongolian.]
Definition : 1. A person of the Mongolian race.
2. (Railroad)
Defn: A heavy locomotive for freight traffic, having three pairs of connected driving wheels and a two-wheeled truck. Great, or Grand, Mogul, the sovereign of the empire founded in Hindostan by the Mongols under Baber in the sixteenth century. Hence, a very important personage; a lord; -- sometimes only mogul. Dryden.
Source : Webster's Unabridged Dictionary, 1913