a surface decoration made by inlaying in patterns small pieces of variously colored glass, stone, or other material; -- called also mosaic work.-a picture or design made in mosaic; an article decorated in mosaic.-of or pertaining to the style of work called mosaic; formed by uniting pieces of different colors; variegated; tessellated; also, composed of various materials or ingredients.-of or pertaining to moses, the leader of the israelites, or established through his agency; as, the mosaic law, rites, or institutions.