the GNU version of the Collaborative International Dictionary of English
n. A precious stone, probably a carnelian, one of which was set in Aaron's breastplate.
The Century Dictionary and Cyclopedia
n. A sard.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a deep orange-red variety of chalcedony
Word Usage
"This little childe was cut of the white vayne of Achates [A] or Onix, and the Eagle of the other vaine of the same stone called sardius which is of black couler of some called Cordeoll, ioyning both in one selfe same stone."