MOGUL

Mo‐gul″ (?), n. [] 1. 1. A person of the Mongolian race.
2. 2. (Railroad) 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.