/ Dictionary / Index S St. Crispin's Day: Meaning and Definition of Find definitions for: St. Crispin's Day Pronunciation: [key] October 25: anniversary of the Battle of Agincourt (1415). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. St. Cloud St. Croix Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language