| TESSERA | A small square tile of stone, glass, etc used in mosaics (7) |
| TESSELLA | A very small square tile of stone used in mosaics |
| MOSAIC | Artwork made of pieces of stone, glass, etc. (6) |
| QUARREL | From the French word "carre", for "square", a square-headed bolt for an arbalest/crossbow; a square tile; a square- or diamond-shaped pane; or, in another sense, a squabble (7) |
| AILETTE | A small square shield, worn on the shoulders, and the prototype of the modern epaulet. (7) |
| BROWNIE | A small square of rich chocolate cake (7) |
| AMPOULE | Small glass, etc, a container for a hypodermic dose (7) |
| ICECUBE | A small square block of frozen water (3,4) |
| RACQUET | Bat with a round or oval frame strung with catgut, nylon, etc., used in badminton, and squash. (7) |
| TESSERAE | Small square tiles used in mosaics |
| AZULEJO | Traditional glazed tile of Spain and Portugal |
| ICEFERN | Frost pattern on glass, etc (3-4) |
| SMALTI | Pieces of coloured glass or enamel used in mosaics |
| BEAD | A little ball of glass etc. perforated and used in a necklace, rosary etc. |
| PLASMA | One of four fundamental states of matter; or, green chalcedony, traditionally used in mosaic (6) |
| SMALTO | Richly coloured glass tile or tessera used in mosaic (6) |
| INLAYS | Pieces of ivory, mother-of-pearl, pewter, precious metal, tortoiseshell, wood etc used in a form of marquetry-like boullework (6) |
| SERVIETTE | A small square of cloth or paper used whilst eating (9) |
| THREAD | A fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving. |
| CLOCHE | Kind of frame, of glass, etc., for protecting a plant (6) |
