Mayday

ahd-5
  • noun. An international radiotelephone signal word used by aircraft and ships in distress.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • interjection. emergency, need assistance
  • noun. An international distress signal used by shipping and aircraft
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. an internationally recognized distress signal via radiotelephone (from the French m'aider)
  • Word Usage
    "At about 1648 hours, the U.S. Air Force airborne command post, Hillsborough, received a mayday from the two OV1 aircraft, and dispatched two FACs in the area for an immediate search for the two downed air crews."
    cross-reference
    SOS  pan-pan  
    Hypernym
    Words that are more generic or abstract