engine/ˋɛndʒən; ˈendʒən or ˈendʒIn/n [C]1 the part of a vehicle that produces the power that makes it move [→ motor] 发动机﹐引擎: start/turn/switch an engine on/off He pulled in and turned off the engine. 他靠边停车﹐关掉引擎。car/jet etc engine an engine that runs on gas 使用汽油的引擎2 a vehicle that pulls a railway train 火车头﹐机车FIRE ENGINE, JET ENGINE, SEARCH ENGINE