n.[ L. galena lead ore, dross that remains after melting lead: cf. F. galène sulphide of lead ore, antidote to poison, stillness of the sea, calm, tranquility. ] [ 1913 Webster ]
1. (Med.) A remedy or antidote for poison; theriaca. [ Obs. ] Parr. [ 1913 Webster ]
2. (Min.) Lead sulphide; the principal ore of lead. It is of a bluish gray color and metallic luster, and is cubic in crystallization and cleavage. [ 1913 Webster ]