Decoration Day

1.

a day, May 30, originally appointed for decorating with flowers the graves of the Union soldiers and sailors, who fell in the Civil War in the United States; - now called Memorial Day, and established as the last Monday in May, and designated as a day for commemorating those who died in all wars of the United States.

Noun

1.

Decoration Day - U.S., last Monday in May; commemorates the members of the United States armed forces who were killed in war Synonyms: Memorial Day

legal holiday, May, Memorial Day, national holiday