D defs.my
Entry 1 sense Webster, 1913

Patriots' Day

· Pa·tri·ots' Day · IPA
01 A legal holiday in the States of Massachusetts and Maine, April 19, the anniversary of the battle of Lexington in 1775. It was first observ…
  1. 1.
    A legal holiday in the States of Massachusetts and Maine, April 19, the anniversary of the battle of Lexington in 1775. It was first observed in 1894.[U. S.]