also: メー・デー · メイデイ · メイデー
noun
Refers to International Workers' Day on May 1st, often associated with labor rallies and events in Japan.
メーデーには各地で集会が開かれる。
Rallies are held across the country on May Day.
Standard katakana spelling for May Day (May 1).
Variant with interpunct; rarely used in practice.
Borrowed from English 'May Day'.