Lewis & Short

quā̆drans, antis (gen. plur. quadrantūm, Front. Aquaed. 24), m. [quattuor].

  1. I. A fourth part, a fourth, a quarter: operae, Col. 2, 4, 8: diei noctisque, Plin. 18, 25, 57, § 207.
  2. II. In partic.
    1. A. A fourth part, a fourth of a whole: creditoribus quadrantem solvi, Vell. 2, 23, 2: heres ex quadrante, of the fourth part of the inheritance, Suet. Caes. 83; cf. Plin. Ep. 5, 7, 1; Dig. 44, 4, 17, § 2; Ulp. Frag. 24, 32.
    2. B. The fourth part of an as (as a coin), three unciae: nota in triente et quadrante rates (fuit). Quadrans antea teruncius vocatus a tribus unciis, Plin. 33, 3, 13, § 45: quadrans mihi nullus est in arcā, not a farthing, not a copper, Mart. 2, 44, 9; Liv. 3, 18, 11; Juv. 1, 121.
      As the customary price of a bath (cf. quadrantarius): dum tu quadrante lavatum Rex ibis, Hor. S. 1, 3, 137; cf. Sen. Ep. 86, 8; Juv. 6, 446.
      As the smallest coin, a mite, farthing, Hor. S. 2, 3, 93; Juv. 7, 8; Vulg. Matt. 5, 26; id. Marc. 12, 42.
    3. C. Of the rate of interest, four for a hundred: usurae quadrantes, four per cent., Dig. 33, 1, 21.
    4. D. As a measure of land, a quarter of an acre (jugerum), Col. 5, 1, 10.
    5. E. As a weight, a quarter of a pound, Mart. 11, 105, 1.
      With pondo: amomi pondo quadrans, Col. 12, 20, 5; Cato, R. R. 84, 1: quadrans pondo bacarum, Plin. 23, 8, 80, § 156.
  3. F. As a measure for liquids, the fourth part of a sextarius, three cyathi: ita ut earum calices quadrantes octoginta capere possint, Varr. R. R. 3, 14, 4: quadrantem duplicare, Mart. 9, 94, 2: vini, Cels. 3, 15.
  4. G. As a measure of length, a quarter of a foot: pedes duodecim et quadrantem, Gell. 3, 10, 11; 9, 4, 10; cf. Cato, R. R. 18, 2; 18, 6.
    A quarter-digit, Front. Aquaed. 25.
  5. H. As a measure of time, a fourth of a day, six hours, Sol. 1, 39; 1, 41 sq.