Lo·co·mo·tive n. A locomotive engine; a self-propelling wheel carriage, especially one which bears a steam boiler and one or more steam engines which communicate motion to the wheels and thus propel the carriage, -- used to convey goods or passengers, or to draw wagons, railroad cars, etc. See Illustration in Appendix.
  Consolidation locomotive, a locomotive having four pairs of connected drivers.
  Locomotive car, a locomotive and a car combined in one vehicle; a dummy engine. [U.S.]
  Locomotive engine. Same as Locomotive, above.
  Mogul locomotive. See Mogul.
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  locomotive engine
       n : a wheeled vehicle consisting of a self-propelled engine that
           is used to draw trains along railway tracks [syn: locomotive,
            engine, railway locomotive]