/ Dictionary / Index M medfly: Meaning and Definition of Find definitions for: med•fly Pronunciation: (med'flī"), [key] — pl. -flies. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: medfly (Thesaurus) Medfield Medford Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language