Longman Dictionary of Contemporary English homepage

Date: 1900-2000
Language: French
Origin: m'aider 'help me'

mayday

 noun
     
Related topics: Telephone, Telegraph
may‧day [singular]
TCT a radio signal used to ask for help when a ship or plane is in serious danger [↪ SOS]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary