I.a furnace, oven, kiln (cf. also: “caminus, clibanus, focus): in ardentibus fornacibus,” Cic. N. D. 1, 37, 103: “calcaria,” Cato, R. R. 38; Plin. 17, 9, 6, § 53: “aeraria,” id. 11, 36, 42, § 119: “calidae,” Lucr. 6, 148; cf.: “recoquunt patrios fornacibus enses,” Verg. A. 7, 636: “balinei,” Dig. 19, 2, 58.—Poet. transf. of Aetna: “vastae Aetnae fornaces,” i. e. craters, Lucr. 6, 681: “vidimus undantem ruptis fornacibus Aetnam,” Verg. G. 1, 472: “quae sulfureis ardet fornacibus Aetne,” Ov. M. 15, 340.—
II. Personified: Fornax , the goddess that presided over ovens, the ovengoddess, for whom Numa is said to have instituted an especial festival (v. fornacalis, II.), Ov. F. 2, 525 sq.; Lact. 1, 20, 35.