mayday definition

  • noun:
    • a worldwide radiotelephone sign word employed by aircraft and boats in distress.
    • a global distress signal utilized by delivery and aircraft
    • an internationally acknowledged stress signal via radiotelephone (from French m'aider)
  • interjection:
    • disaster, require help

Related Sources

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  • Sports Dictionary for "mayday"
    • The intercontinental distress telephone call.
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