|1.||[ noun ] (physics) motor that converts thermal energy to mechanical work|
|Related terms:||motor generator automobile_engine aircraft_engine reaction-propulsion_engine heat_engine auxiliary_engine gearing camshaft|
|2.||[ noun ] something used to achieve a purpose|
: "an engine of change"
|3.||[ noun ] (transportation) wheeled vehicle consisting of a self-propelled engine used to draw trains along railway tracks|
|Synonyms:||locomotive_engine railway_locomotive locomotive|
|Related terms:||self-propelled_vehicle wheeled_vehicle diesel_locomotive switch_engine choo-choo iron_horse pilot_engine shunter steam_locomotive dinkey tank_engine traction_engine electric_locomotive train footplate fender|