'Sard' definitions:

Definition of 'sard'

(from WordNet)
noun
A deep orange-red variety of chalcedony [syn: sard, sardine, sardius]

Definition of 'Sard'

From: GCIDE
  • Sard \Sard\, n. [L. sarda, Gr. ?, or ? (sc. ?), i.e., Sardian stone, fr. ? Sardian, ? Sardes, the capital of Lydia: cf. F. sarde. Cf. Sardius.] (Min.) A variety of carnelian, of a rich reddish yellow or brownish red color. See the Note under Chalcedony. [1913 Webster]

Definition of 'sard'

From: GCIDE
  • Chalcedony \Chal*ced"o*ny\ (k[a^]l*s[e^]d"[-o]*n[y^] or k[a^]l"s[-e]*d[-o]*n[y^]; 277), n.; pl. Chalcedonies (-n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw`n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc['e]doine, OE. calcidoine, casidoyne. Cf. Cassidony.] (Min.) A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax. [Written also calcedony.] [1913 Webster]
  • Note: When chalcedony is variegated with with spots or figures, or arranged in differently colored layers, it is called agate; and if by reason of the thickness, color, and arrangement of the layers it is suitable for being carved into cameos, it is called onyx. Chrysoprase is green chalcedony; carnelian, a flesh red, and sard, a brownish red variety. [1913 Webster]