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Definition of Mayday noun from the Oxford Advanced Learner's Dictionary

Mayday

noun

/ˈmeɪdeɪ/

/ˈmeɪdeɪ/

[uncountable]

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an international radio signal used by ships and aircraft needing help when they are in dangerTopics Transport by waterc2, Transport by airc2
Word OriginFrom the French venez m’aider ‘come and help me’.

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See Mayday in the Oxford Advanced American Dictionary

Check pronunciation: Mayday

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noun

From the Word list

A1

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