/ Dictionary / Index M May Day: Meaning and Definition of Find definitions for: May' Day" Pronunciation: [key] the first day of May, long celebrated with various festivities, as the crowning of the May queen, dancing around the Maypole, and, in recent years, often marked by labor parades and political demonstrations. May•day Pronunciation: (mā'dā"), [key] — n. the international radiotelephone distress signal, used by ships and aircraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mayday (Thesaurus) May-blob Mayence Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language