noun

locomotive

loh-kuh-MOH-tiv/ˌləʊkəˈməʊtɪv/

A powered rail vehicle that pulls trains.

A powerful locomotive pulls the freight train up the hill.

A diesel locomotive at the front of two coupled freight cars on a railway track, with its distinctive engine body and running gear clearly visible.
Etymology

The place and moving components first described movement from place to place, then the ability to move under one’s own power. The rail-vehicle noun is a shortening of “locomotive engine.”

In context

Southern Plains Railfan 0:32
the ability for a locomotive to pull so much at one time all boils down to friction or the lack thereof
Why Locomotives Can Pull So Much

More examples

  • The museum offers rides behind a restored steam locomotive.
  • Two locomotives pull the long line of loaded cars.
  • The engineer climbs into the locomotive's cab.

Forms

locomotive · locomotives

Similar words

engine
Can also mean a machine powering something other than trains.