I. A venomous serpent, whose bite occasioned putrefaction, Luc. 9, 764 sq.; 9, 723.—Acc. sing. sepa, Plin. 29, 5, 32, § 102.—Acc. Plur. sepas, Plin. 23, 2, 29, § 61; Tert. Carm. adv. Marc. 1, 1 fin.; Aus. Idyll. Grammat. 12, 14.—
II. An insect, perh. the wood-louse, milleped, Plin. 20, 2, 6, § 12; 29, 6, 39, § 137.