noun
a railway car at the end of the train; it can be detached without stopping the train
• Syn: ↑slip coach
• Regions: ↑United Kingdom, ↑UK, ↑U.K., ↑Britain, ↑United Kingdom of Great Britain and Northern Ireland, ↑Great Britain
• Hypernyms: ↑car, ↑railcar, ↑railway car, ↑railroad car
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noun or slip coach Britain : a railroad coach or carriage designed to be detached at an intermediate station where the train does not stop
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Brit.
a railway car detached from a moving train as it passes through a station. Also called slip coach.
[1865-70]
Useful english dictionary. 2012.