I.the constellation of the Wain, i. e. Ursa Major and Ursa Minor (which were compared to a wagon with oxen yoked to it): “Arcturum pluviasque Hyadas geminosque Triones,” Verg. A. 3, 516: “gelidi,” Ov. M. 2, 171: “Hyperborei,” Mart. 9, 46, 1: “Odrysii,” id. 7, 80, 1: “pigri,” Claud. III. Cons. Hon. 205: “inoccidui,” id. Gigantom. 11; Ov. M. 10, 446.
Trĭōnes , um, m. (orig. the ploughingoxen; cf. Varr. L. L. 7, § 74 sq. Müll.; Gell. 2, 21, 7; hence, transf.),