/ Dictionary / Index M Magna Graecia: Meaning and Definition of Find definitions for: Mag•na Grae•ci•a Pronunciation: (mag'nu grē'shē-u Lat. mäg'nä grī'ki-ä&sec), [key] the ancient colonial cities and settlements of Greece in S Italy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnaflux magnalium Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language