locomotive/ˌləʊkə'məʊtɪv $ ˌloʊkə'moʊtɪv/

n. the part of a train that pulls the other parts along

n. [C] 机车：The first steam locomotive was built by Richard Trevithick. 第一台蒸汽机车由理查德·特里维西克制造。

构词loco + mot (=-mov-) + -ive