ˈMay Day BrE AmE noun [uncountable and countable]
the first day of May, when ↑ left-wing political parties in some countries celebrate, and when people traditionally celebrate the arrival of spring
ˈMay Day BrE AmE noun [uncountable and countable]
the first day of May, when ↑ left-wing political parties in some countries celebrate, and when people traditionally celebrate the arrival of spring
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012