‖n. [ A name adopted by the Egyptian Gnostic Basilides, containing the Greek letters α, β, ρ, α, ξ, α, σ, which, as numerals, amounted to 365. It was used to signify the supreme deity as ruler of the 365 heavens of his system. ] A mystical word used as a charm and engraved on gems among the ancients; also, a gem stone thus engraved. [ 1913 Webster ]