I.a wild ass, Varr. R. R. 2, 6, 3; cf. Col. 6, 37, 3; Plin. 8, 44, 69, § 174: “timidi,” Verg. G. 3, 409: “pulcher,” Mart. 13, 100, 1; Vulg. Psa. 103, 11; id. Osee, 8, 9.—
II. Transf., a military engine for discharging large stones, Veg. Mil. 4, 22; Amm. 23, 4, 4.