pŏlўtrĭchon

I. The herb golden-hair, Venus's-hair, Plin. 22, 21, 30, § 63; called also pŏlythrix, trĭchos, f., πολύθριξ, Plin. 26, 14, 87, § 147. —

II. A precious stone, otherwise unknown, Plin. 37, 11, 73, § 190.