home signal

English
British home and distant lower quadrant semaphore signals, most of which are now superseded by colour light signals.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

home signal (plural home signals)

  1. (rail transport) A railway signal controlling entry to the next section of line. Originally it meant a signal governing entry into a station.
  • distant signal

References

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