saxĭfĭcus, a, um, adj. [saxum-facio], that turns into stone, petrifying (poet.): Medusa, Ov. Ib. 555; Sil. 10, 178; Luc. 9, 670; cf.: vultus Medusae, Ov. M. 5, 217: os (Medusae), Sen. Herc. Fur. 901.