sardius Meaning, Definition & Usage

  1. noun a deep orange-red variety of chalcedony
    sardine; sard.

WordNet

Sar"di*us noun
Etymology
L. sardius, lapis sardinus, Gr. , , . See Sard.
Definitions
  1. A precious stone, probably a carnelian, one of which was set in Aaron's breastplate. Ex. xxviii. 17.

Webster 1913