Source : Webster's Revised Unabridged Dictionary (1913)

Ligure \Lig"ure\ (l[i^]g"[-u]r; 277), n. [L. ligurius, Gr.
   ligy`rion, liggoy`rion, ligkoy`rion, lygkoy`rion, equiv. to
   Heb. leshem.]
   A kind of precious stone.

         The third row a ligure, an agate, and an amethyst.
                                                  --Ex. xxviii.
                                                  19.