from The Century Dictionary and Cyclopedia
- n. A railroad train fitted up with appliances for clearing away wreckage on the track and repairing damages so far as may be to cars, track, and engine. See wrecking-car.
Sorry, no etymologies found.
I try now to dignify them with handsome epithets; but while they were here I had moments of thinking they looked like a lot of whited locomotives, which had broken through from some trestle, in a recent accident, and were waiting the offices of a wrecking-train.