quăterni
ae, a
I.
gen. plur. quaternūm, Liv. 6, 22, 7; Col. 5, 5, 2; Plin. 9, 3, 2, § 4), adj. plur. [quattuor].
I.
Four each, by fours, four at a time: quaternos denarios in singulas vini amphoras exegisse, Cic. Font. 5, 9: primam aciem quaternae cohortes ex V. legionibus tenebant, Caes. B. C. 1, 83: saepe tribus lectis videas cenare quaternos, Hor. S. 1, 4, 86.—
II.
Four together, four at once: propter bis quaternas causas, Varr. L. L. 5, 1, 6; Aus. ldyll. 10, 60; Sedul. 2, 175; Plin. 28, 6, 17, § 64.