pilot engine

American  

noun

1. a locomotive sent on ahead of a railroad train to see that the way is clear and the track safe.

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pilot engine British  

noun

1. a locomotive that leads one or more other locomotives at the head of a train of coaches or wagons

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Etymology

Origin of pilot engine

First recorded in 1830–40

Example Sentences

Under Mr. Van Britt's directions the engineer and fireman of the pilot engine brought tools and the break was repaired.

From Project Gutenberg

I knew of course that there would be first the pilot engine; there would also be the baggage train; probably also a special train for the suite and servants; and the Imperial train.

From Project Gutenberg

Shortly after Rev. Mr. Melvin's departure old Uncle Reynolds, as he was called, was struck by a pilot engine at the station, and so seriously injured that he was taken home in the ambulance.

From Project Gutenberg

There were also two pilot engines on the line, one of which had a large signal flag attached to it.

From Project Gutenberg

They were wholly untroubled with shyness, and loudly announced that Tom was a Midland express from Glasgow, and Bill a pilot engine.

From Project Gutenberg