I.gen. plur. always binūm, Sisenn. ap. Non. p. 80, 4; Sall. H. 3, 22 Dietsch; Plin. 31, 6, 31, § 57; Scrib. Comp. 8), num. distr. [bis].
I. Two by two, two to each, two each, two at a time: “nam ex his praediis talenta argenti bina Statim capiebat,” every year two talents, Ter. Phorm. 5, 3, 6: “describebat censores binos in singulas civitates,” Cic. Verr. 2, 2, 53, § 133: “si unicuique bini pedes (campi) assignentur,” two to each, id. Agr. 2, 31, 84: “distribuit binos (gladiatores) singulis patribus familiarum,” id. Att. 7, 14, 2; Caes. B. C. 1, 25 fin.: “annua imperia binosque imperatores sibi fecere,” Sall. C. 6, 7: “Carthagine quotannis annui bini reges creabantur,” Nep. Hann. 7, 4: “illos binas aut amplius domos continuare,” Sall. C. 20, 11: “si inermes cum binis vestimentis velitis ab Sagunto exire,” Liv. 21, 13, 7: “bini senatores singulis cohortibus propositi,” id. 3, 69, 8; 10, 30, 10: “dentes triceni bini viris attribuuntur,” Plin. 7, 16, 15, § 71; 36, 9, 14, § 69.—
B. Taking the place of the cardinal number duo, with substt. which are plur. only, or with those which have a diff. signif. in the plur. from the sing. (cf. Serv. ad Verg. A. 8, 168): “binae (litterae),” two, Cic. Att. 6, 1, 9: “bina castra,” id. Phil. 12, 11, 27: “binae hostium copiae,” id. Imp. Pomp. 4, 9; Val. Max. 1, 6, 2: “inter binos ludos,” Cic. Verr. 2, 2, 52, § 130; cf.: “binis centesimis faeneratus est,” id. ib. 2, 3, 70, § “165: bini codicilli,” Suet. Oth. 10.—Esp.: bina milia, two thousand, Sisenn. ap. Non. p. 80, 4: “bina milia passuum,” Quint. 6, 3, 77.—
II. Of things that are in pairs or double, a pair, double, two: “boves bini,” a yoke of oxen, Plaut. Pers. 2, 5, 16; Lucr. 5, 1299: “si forte oculo manus uni subdita supter Pressit eum... Omnia quae tuimur fieri tum bina tuendo, bina lumina, Binaque supellex, etc.,” Lucr. 4, 449 sqq.: “corpus,” id. 5, 879: “binos (scyphos) habebam,” a pair, two of like form, Cic. Verr. 2, 4, 14, § 32: “per binos tabellarios,” id. Att. 6, 1, 9; id. Fam. 10, 33, 3: “aeribus binis,” Lucr. 4, 292: “bina hastilia,” Verg. A. 1, 313: “aures,” id. G. 1, 172: “frena,” id. A. 8, 168: “fetus,” id. E. 3, 30.—
B. Without subst.: “nec findi in bina secando,” into two parts, Lucr. 1, 534: “si bis bina quot essent didicisset,” Cic. N. D. 2, 18, 49.—
III. Bini, in mal. part. (cf. βινεῖ), Cic. Fam. 9, 22, 3.