danger signal

noun

A signal set at danger and showing a red light or other stop indication, which a train driver must not pass until it changes or until manually cleared past the signal by a dispatcher.

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Meanings

noundanger signal (plural danger signals)

plural danger signals · alternative danger-signal

  1. rail transportA signal set at danger and showing a red light or other stop indication, which a train driver must not pass until it changes or until manually cleared past the signal by a dispatcher.
    1 more example

    2005, "Practical Railway Engineering" by Clifford F. Bonnett, Imperial College Press →ISBN https://books.google.no/books?id=qcMgBJ1exfIC&pg=PA137&lpg=PA137&dq=%22at+a+danger+signal%22&source=bl&ots=c4Rl2aryKd&sig=vhZYJY8AkP63OAbCws6GS9882q4&hl=no&sa=X&ved=0ahUKEwjg2OSL19PZAhXJJMAKHQxdA2sQ6AEILzAB#v=onepage&q=%22at%20a%20danger%20signal%22&f=false On a train travelling at say 40 miles per hour a driver would have to react quite quickly to bring his train to a halt at a danger signal even if he could see that signal half a mile away.

  2. figurativelyAn indication that a potentially bad or dangerous situation could develop.

Translations

Danish stopsignal, faresignal
  • stopsignalrailway signal
  • faresignalindication of a bad or dangerous situation
Japanese 危険信号, 危険信号
  • 危険信号 (kikenshingō)railway signal
  • 危険信号 (kikenshingō)indication of a bad or dangerous situation
Korean 위험신호, 위험신호
  • 위험신호 (wiheomsinho)railway signal
  • 위험신호 (wiheomsinho)indication of a bad or dangerous situation
Norwegian Bokmål stoppsignal, faresignal
  • stoppsignalrailway signal
  • faresignalindication of a bad or dangerous situation
Cite this entry
APA

danger signal. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/danger%20signal

MLA

“danger signal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/danger%20signal. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “danger signal,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/danger%20signal.

Source: danger signal on Wiktionary, CC BY-SA 4.0.