Lewis Short
ăcĭēs (noun F) : v. 2. acer (
* Gen. acii and acie, like dii and die, facii and facie, fr. dies, facies, Cn. Mat. ap. Gell. 9, 14; Caes. B. G. 2, 23; Sall. ap. Serv. ad Verg. G. 1, 208, or Sall. Fragm. ed. Kritz. p. 118; cf. Prisc. p. 780 P.), a sharp edge or point.
* Lit., of a sword, dagger, sickle, etc.: gladiorum,Plaut. Truc. 2, 6, 11: Vulg. Heb. 11, 34: securium,Cic. Verr. 2, 5, 43, § 113: falcis,Verg. G. 2, 365: hastae,Ov. M. 3, 107: ferri,Plin. 7, 15, 13.
* Transf.
* Fig.
* Keenness of look or glance, sharpness of vision or sight: oculorum, Lucil. ap. Non. 34, 32; cf. Plaut. Mil. 1, 1, 4; Lucr. 1, 324; also acies alone,id. 2, 420; and in plur., id. 4, 693: ne vultum quidem atque aciem oculorum ferre potuisse,Caes. B. G. 1, 39: pupula ad te dirigit aciem,Cat. 63, 56: tanta tenuitas, ut fugiat aciem,Cic. Tusc. 1, 22: bonum incolumis acies, misera caecitas,id. Fin. 5, 28, 84; so ib. 4, 24; Verg. A. 12, 558 al.—Hence
* In milit. lang., the front of an army (conceived of as the edge of a sword), line of battle, battle-array.
* A looking at an object with fixed attention, look, aim: ad eam rem habeo omnem aciem,Plaut. Mil. 4, 2, 38.—On the contr., prima acie, at the first glance, Lucr. 2, 448 (cf. primo aspectu, Cic. de Or. 3, 25, 98).
* Acies ferri, steel, Plin. 34, 14, 41.
* Poet., sheen, brightness: obtunsa stellarum,Verg. G. 1, 395.
* The action of the troops drawn up in battlearray, a battle, engagement, = pugna: in acie celebri objectans vitam, Pac. ap. Non. 234, 25; Plaut. Mil. 1, 1, 4: mea facta in acie obliti, Att. ap. Non. 502, 1: in acie Pharsalica,Cic. Lig. 3; so id. Fam. 6, 3: in acie vincere,Caes. B. G. 7, 29: dimicare,ib. 7, 64: copias in aciem ducere,Liv. 31, 34: producere in aciem,Nep. Milt. 5: excedere acie,Caes. B. C. 2, 41; Liv. 31, 17: direxerunt aciem contra eos,Vulg. Gen. 14, 8; 2 Par. 18, 33.
* (Acc. to I. B.) (like acumen.) Acuteness of the mind, sharpness, force, power (so very often in Cicero, but always with the gen. mentis, animi, ingenii): (cum animus) exacuerit illam, ut oculorum, sic ingenii aciem ad bona eligenda, etc.,Cic. Leg. 1, 23, 60; so, ingenii,id. Ac. 2, 39, 122: mentis,id. N. D. 2, 17, 45; id. Tusc. 1, 30, 73: animi,id. Sen. 23, 83; id. Phil. 12, 2; Vell. 2, 118, 4; cf.: rerum diversitas aciem intentionis abrumpit,Flor. 1 prol., § 3.
* A verbal contest, disputation, discussion, debate: orationis aciem contra conferam,Plaut. Ep. 4, 1, 20: ad philosophos me revocas, qui in aciem non saepe prodeunt,Cic. Tusc. 2, 25, 60: nos jam in aciem dimicationemque veniamus,id. Or. 13 fin.; cf. id. Opt. Gen. Or. 5, 17; Quint. 2, 10, 8; 6, 4, 17; 10, 1, 29.
Charlton T. Lewis, Charles Short, A Latin Dictionary