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"

Related terms: causal_agent
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
Similar spelling:   enginery