/ Dictionary / Index M metage: Meaning and Definition of Find definitions for: met•age Pronunciation: (mē'tij), [key] — n. the official measurement of contents or weight. the charge for such measurement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. metagalaxy metagenesis Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language