1. A picture or decorative design made by setting small colored pieces, as of stone or tile, into a surface. 2. The process or art of making such pictures or designs. 3. A composite picture made of overlapping, usually aerial, photographs. 4. a mosaic of testimony from various witnesses. 5. A virus disease of plants, resulting in light and dark areas in the leaves, which often become shriveled and dwarfed. 6. A photosensitive surface, as in the iconoscope of a television camera. 7. An individual exhibiting mosaicism. 8. mosaic a design on a rosewood box. 9. mosaic a sidewalk.
