/ Dictionary / Index M metalmark: Meaning and Definition of Find definitions for: met•al•mark Pronunciation: (met'l-märk"), [key] — n. any of the small, mostly tropical butterflies of the family Riodinidae, often having metallic-colored flecks on the wings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. metallurgy metalogic Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language