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switch engine

noun, Railroads.
a locomotive for switching rolling stock in a yard.
Also called switcher, switching locomotive.
Origin of switch engine
1865-70, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for switch engine
  • Thus manufacturers often have no choice but to acquire a switch engine to handle the switching function.
  • These yards each have numerous switch engine locomotives that operate nearly around the clock.
  • The rail car uncoupled from the switch engine and slowly rolled through the closed gate and the closed door.

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