Locomotive (noun)

A self-propelled railway vehicle designed for pulling or pushing trains along railway tracks.

Origin:

Late 17th century. from modern latin locōmōtīva 'self-propelling (machine)', from latin locō 'in place' + mōtīva 'moving', from mōvere 'to move'.

Examples:

1. The locomotive chugged along the tracks, pulling a long line of passenger cars.
2. The old steam locomotive was a magnificent piece of machinery.
3. The modern diesel locomotives are more fuel efficient.
4. Locomotives are the engines that power trains.
5. The locomotive driver had to navigate the train through the busy city streets.