pilot engine


noun

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

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Origin of pilot engine

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pilot engine

British Dictionary definitions for pilot engine

pilot engine

noun

a locomotive that leads one or more other locomotives at the head of a train of coaches or wagons
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012