home signal
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English[edit]

British home and distant lower quadrant semaphore signals, most of which are now superseded by colour light signals. The home signal has a red arm, when in the horizontal position it is at danger, meaning a train must stop.
Noun[edit]
home signal (plural home signals)
- (rail transport) A railway signal controlling entry to the next section of line. Originally it meant a signal governing entry into a station.
Related terms[edit]
References[edit]
- “home signal”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.