/ Dictionary / Index P Patriots' Day: Meaning and Definition of Find definitions for: Pa'triots' Day" Pronunciation: [key] the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. patriotism patripotestal Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language