quā̆drĭjŭgus, a, um, adj. [quattuor-jugum], of or belonging to a team of four (poet.): curru, Enn. ap. Cic. Tusc. 1, 44, 105 (Trag. v. 129 Vahl.); Verg. A. 12, 162; id. G. 3, 18; Plin. Pan. 22, 1: equi, Ov. Am. 3, 2, 66; id. Tr. 4, 2, 54: certamen, with four-horse chariots, Stat. Th. 6, 370.
Subst.: quā̆drĭjŭgi, ōrum, m., a four-horse team: ruunt tritumque relinquunt Quadrijugi spatium, Ov. M. 2, 167; Sil. 4, 441; Stat. Th. 12, 533.