Mayday

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May·day \ ˈmā-ˌdā \

Definition of Mayday

an international radio-telephone signal word used as a distress call

Origin and Etymology of mayday

French m'aider help me


May Day

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noun \ ˈmā-ˌdā \

Definition of May Day

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

First Known Use of may day

13th century


MAYDAY Defined for English Language Learners

May Day

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noun

Definition of May Day for English Language Learners

  • : 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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to curse or denounce

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