pilot engine
noun1
A locomotive that is moving in advance of a train to make sure that the path is clear.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A locomotive that is moving in advance of a train to make sure that the path is clear.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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