quadriiugis

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

quā̆drĭjŭgis, e, adj. [quattuor-iugum],

of or belonging to a team of four (poet. and post-Aug.): equi, Verg. A. 10, 571: currus, Ap. Flor. 3, p. 356, 14.