quartārĭus, ii, m. [quartus].
I A fourth part , quarter of any measure, esp. of a sextarius, a quartern , gill : sumito bituminis tertiarium, et sulphuris quartarium, Cato R. R. 95, 1: vini, Liv. 5, 47: mellis, Col. 12, 5, 1: farris, Plin. 18, 3, 3, § 9.—
II A mule-driver , muleteer , who received a fourth part of the profits, Lucil. ap. Fest. p. 258 Müll.