WordReference Random House Unabridged Dictionary of American English © 2026
Memo′rial Day′,
- Also called Decoration Day. a day, May 30, set aside in most states of the U.S. for observances in memory of dead members of the armed forces of all wars: now officially observed on the last Monday in May.
- any of several days, as April 26, May 10, or June 3, similarly observed in various Southern states.
- 1865–70, American.
'Memorial Day' also found in these entries (note: many are not synonyms or translations):