Quartarius, quartarij, mas. gen. Colum. The fourth parte of the measure Congius, and maye bee vsed for our quarte. Also a quarter of a pounde.Cui vniuersi se libras farris, & quartarios vini cõtulerÛt. Li.
Lewis and Short: Latin dictionary
quartārĭus, ii, m. [id.]. 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.