(rail, UK) A signal given to a train driver by the guard of the train, or a member of station staff, that the train is ready to depart.
(rail, UK) A signal given to a train driver by the guard of the train, or a member of station staff, that the train is ready to depart.
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(rail, UK) A young man employed in a signalbox to record the times of trains as they pass through the area served by the signalbox.
A flag formerly used by a railway guard to warn the driver not to start the train.
(rail, UK) A small explosive charge (detonator) which can be placed on a railway line in fog, to be detonated by a train passing over it as a warning signal to the driver.
(rail transport, US) An all clear or full speed ahead signal.
(rail transport, UK) An instance of a signal passed at danger.