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Definitions of warning signal
Definition that contains warning signal
  • light a visual warning signal
  • siren a warning signal that is a loud wailing sound
  • maroon an exploding firework used as a warning signal
  • foghorn a loud low warning signal that can be heard by fogbound ships
  • red flag a flag that serves as a warning signal
  • fusee a colored flare used as a warning signal by trucks and trains
  • fuzee a colored flare used as a warning signal by trucks and trains
  • burglar alarm a loud warning signal produced by a burglar alarm
  • air alert the warning signal that begins a period of preparation for an enemy air attack
  • fogsignal a loud low warning signal that can be heard by fogbound ships
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