/ Dictionary / Index C C.M.G.: Meaning and Definition of Find definitions for: C.M.G. Pronunciation: [key] Companion of the Order of St. Michael and St. George. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CMEA cml. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language