Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A locomotive sent ahead of a train to check the track for safety and clearance.

from the GNU version of the Collaborative International Dictionary of English

  • n. a locomotive going in advance of a train to make sure that the way is clear.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a locomotive that precedes a train to check the track

Etymologies

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Examples

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