/ Dictionary / Index M Medieval Greek: Meaning and Definition of Find definitions for: Me'die'val Greek' Pronunciation: [key] the Greek language of the Middle Ages, usually dateda.d. 700 to 1500. Abbr.: MGk, MGk., MGr. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. medieval medievalism Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language