Mayday

communications signal
May·​day | \ ˈmā-ˌdā How to pronounce Mayday (audio) \

Definition of Mayday

 (Entry 1 of 2)

used as a distress call in international radio-telephone communications

May Day

noun
\ ˈmā-ˌdā How to pronounce May Day (audio) \

Definition of May Day (Entry 2 of 2)

: May 1 celebrated as a springtime festival and in some countries as Labor Day

First Known Use of Mayday

Communications signal

1927, in the meaning defined above

Noun

13th century, in the meaning defined above

History and Etymology for Mayday

Communications signal

French m'aider help me

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Learn More About Mayday

Time Traveler for Mayday

Time Traveler

The first known use of Mayday was in the 13th century

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Cite this Entry

“Mayday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mayday. Accessed 19 Jun. 2021.

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More Definitions for Mayday

May Day

noun

English Language Learners Definition of May Day

: May 1 celebrated in many countries as a spring festival and in some countries as a holiday in honor of working people

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