Origin: 1300-1400 Old French mosaique, from Late Latin musivus of a muse, artistic, from Latin Musa; ➔ MUSE2
1 [countable, uncountable]eng. lang. arts a pattern or picture made by fitting together small pieces of colored stone, glass, paper, etc.: a Roman stone mosaic floor2[countable usually singular] a group of various things that are seen or considered together as a pattern: mosaic of Planted last fall, the garden is a mosaic of colors.