Dictionary
May' Day"
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.