/ Dictionary / Index M Mayflower compact: Meaning and Definition of Find definitions for: May'flower com"pact Pronunciation: [key] an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mayflower mayfly Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language