/ Dictionary / Index M mascle: Meaning and Definition of Find definitions for: mas•cle Pronunciation: (mas'kul), [key] — n. Heraldry. a lozenge represented as having a lozenge-shaped hole at the center. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mascaron mascon Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language