/ Dictionary / Index M mosaic glass: Meaning and Definition of Find definitions for: mosa'ic glass" Pronunciation: [key] glass having a polychrome pattern made by fusing colors or variously colored canes, rods, strips, or squares together. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mosaic mosaic gold Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language