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Definition of "mayday" []

  • An international radiotelephone signal word used by aircraft and ships in distress. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "mayday" in a sentence
  • "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."
  • "At about 1648 hours, the U.S. Air Force airborne command post, Hillsborough, received a mayday from the two OV1 aircraft, and dispatched two FAC in the area for an immediate search for the two downed air crews."
  • "When Frank was valiantly landing the plane (he's proven time and time again he's a damn good pilot), his doomed co-pilot was calling mayday and the only response he got was the transmission of 4-8-15-16-23-42."