Obs. [transl. of L. Beli oculus (Pliny); see quot.] A precious stone, Eye Onyx.
1601. Holland, Pliny, II. 625. The stone called Belus eie is white, and hath within it a black apple, the mids wherof a man shall see to glitter like gold: this stone for the singular beautie that it hath, is dedicated to Belus the most sacred god of the Assyrians.