TESSERA
tessera
(noun) a small square tile of stone or glass used in making mosaics
Source: WordNet® 3.1
Etymology
Noun
tessera (plural tesserae)
A small square piece of stone, wood, ivory or glass used for making a mosaic.
(planetology) complex-ridged surface feature seen on plateau highlands of Venus and perhaps on Triton
Anagrams
• Easters, Teressa, arsetes, earsets, erasest, erastes, reseats, saeters, searest, seaters, starees, teasers
Source: Wiktionary
Tes"se*ra, n.; pl. Tesseræ. Etym: [L., a square piece, a die. See
Tessellar.]
Definition: A small piece of marble, glass, earthenware, or the like,
having a square, or nearly square, face, used by the ancients for
mosaic, as for making pavements, for ornamenting walls, and like
purposes; also, a similar piece of ivory, bone, wood, etc., used as a
ticket of admission to theaters, or as a certificate for successful
gladiators, and as a token for various other purposes. Fairholt.
Source: Webster’s Unabridged Dictionary 1913 Edition