Lewis Short
(v. a.adj.adv.) : dī-rĭgo or dērĭgo (the latter form preferred by Roby, L. G. 2, p. 387; cf. Rib. Proleg. ad Verg. p. 401 sq.; so Liv. 21, 19, 1; 21, 47, 8; 22, 28 Weissenb.; id. 22, 47, 2 Drak.; Lach. ad Lucr. 4, 609; Tac. A. 6, 40 Ritter; acc. to Brambach, s. v., the two forms are different words, de-rigo meaning
* To give a particular direction to; di-rigo, to arrange in distinct lines, set or move different ways; cf. describo and discribo. But the distinction is not observed in the MSS. and edd. generally), rexi, rectum, 3 (perf. sync. direxti, Verg. A. 6, 57), v. a. dis-rego, to lay straight, set in a straight line, to arrange, draw up (class.; cf.: guberno, collineo, teneo).
* Lit.
* In gen.: coronam si diviseris, arcus erit: si direxeris, virga,Sen. Q. N. 1, 10: haec directa materia injecta consternebantur,Caes. B. G. 4, 17, 8: crates,id. B. C. 3, 46, 5: naves ante portum,Liv. 37, 31; cf.: naves in pugnam,id. 22, 19: vicos,i. e. to build regularly,id. 5, 55; cf. castella,Flor. 4, 12, 26: molem recta fronte,Curt. 4, 3 et saep.: regiones lituo,i. e. to lay out, bound,Cic. Div. 1, 17; cf.: finem alicui veterem viam regiam,Liv. 39, 27.—Esp. freq.: aciem,to draw up the troops in battle array,Caes. B. G. 6, 8, 5; Liv. 21, 47 fin.; 34, 28; Front. Strat. 1, 12, 3; 2, 1, 4 et saep.; cf. frontem,Quint. 2, 13, 3; 5, 13, 11: membrana plumbo derecta,ruled with a lead-pencil,Cat. 22, 7.—*
* Trop.
* In partic., with respect to the terminus, to send in a straight line, to direct to a place (so most freq.): ex vestigio vela ad castra Corneliana,Caes. B. C. 2, 25, 6: aciem ad te,Cat. 63, 56: cursum ad litora,Caes. B. C. 3, 25, 4: iter ad Mutinam, Planc. ap. Cic. Fam. 10, 112 et saep.—Afterwards more freq. with in: equum in consulem,Liv. 2, 6: currum in hostem,Ov. M. 12, 78: tela manusque in corpus Aeacidae,Verg. A. 6, 57; Front. Strat. 3, 3, 4: hastam in te,Ov. M. 8, 66; cf.: dentes in inguina,id. ib. 8, 400: cursum in Africam,Vell. 2, 19 fin.: cursum per auras in lucos,Verg. A. 6, 195 et saep.: navem eo,Nep. Chabr. 4, 2: gressum huc,Verg. A. 5, 162; 11, 855 et saep.; and poet. with the dat.: Ilo hastam,Verg. A. 10, 401 et saep.—Without designating the limit: ab iisdem (Etesiis) maritimi cursus (i. e. navium) celeres et certi diriguntur,to be directed, steered,Cic. N. D. 2, 53: iter navis,Ov. F. 1, 4: cursum,Front. Strat. 3, 13, 6; esp. freq. of weapons, to aim, direct: spicula,Verg. A. 7, 497; Ov. M. 12, 606: hastile,Verg. A. 12, 490: tela,Hor. C. 4, 9, 18: sagittas,Suet. Dom. 19 et saep.—Poet.: vulnera,Verg. A. 10, 140; Sil. 2, 92 Drak.; Tac. H. 2, 35; cf.: vulnera alicui,Sen. Herc. Oet. 160.
* In gen., to set in order, arrange (very rare): materias divisione dirigere,Quint. 2, 6, 1.—Far more freq. (esp. in Cic. and Quint.)
* In partic.: aliquid ad or in aliquid; also: aliqua re, to direct, guide, arrange a thing either to something (as its aim, scope) or according to something (as its rule or pattern).
* With ad: meas cogitationes sic dirigo, non ad illam parvulam Cynosuram sed, etc., Ac. 2, 20, 66; cf.: orationem ad exempla,id. Rep. 2, 31 fin.; Quint. 10, 2, 1: judicium ad ea,id. 6, 5, 2: se ad id quod, etc.,id. 12, 3, 8; cf.: se ad ea effingenda,id. 10, 1, 127: praecipua rerum ad famam,Tac. A. 4, 40 et saep.—In a different sense (viz., with ad equiv. to secundum, v. ad): in verbis et eligendis et collocandis nihil non ad rationem,Cic. Brut. 37, 140: vitam ad certam rationis normam,to conform,id. Mur. 2: leges hominum ad naturam,id. Leg. 2, 5 fin.; id. Or. 2 fin. et saep.
* Lit.: auditus flexuosum iter habet, ne quid intrare possit, si simplex et directum pateret,Cic. N. D. 2, 57, 144; cf. aes (tubae), opp. flexum,Ov. M. 1, 98: iter,Caes. B. C. 3, 79, 2: latera, id. B. G. 7, 72, 1; cf. trabes,id. ib. 7, 23, 1: ordo (olearum),Cic. Caecin. 8, 22: arcus (opp. obliquus),Ov. M. 2, 129: paries,i. e. that cuts another at right angles,Cic. Top. 4: ut directiores ictus flant, Quadrig. ap. Gell. 9, 1, 2: praeruptus locus utraque ex parte directus,Caes. B. C. 1, 45, 4; cf. id. ib. 2, 24, 3: (Henna) ab omni aditu circumcisa atque directa,Cic. Verr. 2, 4, 48 Zumpt N. cr.: cornu,Caes. B. G. 6, 26.—Subst.: dī-rectum, i, n., a straight line: in directo pedum VIII. esse, in anfracto XVI.,in a straight line,Varr. L. L. 7, § 15 Müll.; so, altitudo (montis) per directum IV. M. pass.,Plin. 5, 22, 18, § 80; cf. id. 3, 5, 9, § 66 al.: cadere in directum moderate (with exire per devexum),Sen. Q. N. 6, 20; Vulg. Ezech. 47, 20 al.
* Trop., straightforward, unceremonious, open, simple, direct: o praeclaram beate vivendi et apertam et simplicem et directam viam,Cic. Fin. 1, 18; cf.: iter ad laudem,id. Cael. 17, 41: vera illa et directa ratio,id. ib. 18: tristis ac directus senex,id. ib. 16, 38; cf.: quid est in judicio? Directum, asperum, simplex, SI PARET HS ICCC DARI,id. Rosc. Com. 4, 11: percunctatio et denuntiatio belli,Liv. 21, 19; cf. contiones,Just. 38, 3 fin. (v. obliquus): verba,Cod. Just. 6, 23, 15: actio,Dig. 3, 5, 46; 9, 4, 26 et saep.; cf. institutio (opp. precaria),id. 29, 1, 19: libertates (opp. fideicommissariae),id. 29, 4, 12.—Adv.
* Without an object: (divinatio) ad veritatem saepissime dirigit,Cic. Div. 1, 14 fin. —(ε) With acc. only: epistolam (sc. ad aliquem), to write, Capit. Clod. Alb. 2.—(ζ) With adversus, Quint. 5, 7, 6.—Hence, dīrectus (dērectus), a, um, P. a., made straight, straight, direct, whether horizontally or perpendicularly; straight, level; upright, steep.
* Dīrectē, directly, straight (very rare): dicere,Cic. Part. Or. 7, 24: ire,Vulg. Sap. 5, 22.—Far more freq.
* Dīrectō, directly, straight: deorsum ferri,Cic. N. D. 1, 25: transversas trabes,Caes. B. C. 2, 9, 2: ad fidem spectare,Cic. Part. Or. 13, 46; so id. Div. 2, 61 fin. (opp. anfractus and circuitio); Liv. 1, 11 fin.; Sen. Ep. 66; Dig. 9, 4, 26 al. —*
* Dīrectā: quo magis ursimus alte directā,press deep down perpendicularly,Lucr. 2, 198.
* Dīrectim, straightway, directly (post-class.), App. Dogm. Plat. 3, p. 34; Macr. S. 7, 12 fin.—Comp.: directius gubernare,Cic. Ac. 2, 20, 66.—Sup. seems not to occur either in the adj. or in the adv.
Charlton T. Lewis, Charles Short, A Latin Dictionary