dū̆plex, ĭcis (abl. commonly duplici; duplice, Hor. S. 2, 2, 122), adj. [duo-plico], twofold, double.
I Lit.: et duplices hominum facies et corpora bina, Lucr. 4, 452; cf. aër (with geminus), id. 4, 274: cursus (with duae viae), Cic. Tusc. 1, 30: pars (opp. simplex), Quint. 8, 5, 4; cf. id. 4, 4, 5: modus (opp. par and sesquiplex), Cic. Or. 57, 193 et saep.: duplici de semine, Lucr. 4, 1229: quem locum duplici altissimo muro munierant, Caes. B. G. 2, 29, 3: fossa duodenūm pedum, id. ib. 7, 36 fin. : vallum, id. B. C. 3, 63, 3: rates, id. ib. 1, 25, 6: tabellae, consisting of two leaves , Suet. Aug. 27: dorsum, consisting of two boards , Verg. G. 1, 172: acies, Caes. B. G. 3, 24, 1; id. B. C. 1, 83, 1; 3, 67, 3 al.; cf. proelium, Suet. Aug. 13: seditio, id. Tib. 25: triumphus, id. Dom. 6: cura, id. Tib. 8 et saep.—Prov.: duplex fit bonitas, simul accessit celeritas, who gives promptly gives twice , Pub. Syr. 141 (Rib.).—
B Transf.
1 Of things made double by being divided into two, cloven , bipartite , double : ne duplices habeatis linguas, ne ego bilingues vos necem, Plaut. Truc. 4, 3, 7; cf. id. As. 3, 3, 105: ficus, Hor. S. 2, 2, 122; Plin. 20, 6, 23, § 52; Veg. Vet. 2, 10, 6 (1, 38, p. 265 Bip; cf. id. 1, 56, p. 281 Bip.): folia palmae, Plin. 16, 24, 38, § 90: lex, Quint. 7, 7, 10.—
2 Poet., like the Gr. διπλοῦς, of things in pairs, for ambo or uterque, both : oculi, Lucr. 6, 1145: palmae, Verg. A. 1, 93; cf. Ov. Am. 3, 327.—
3 Opp. to single, like the Gr. διπλοῦς and our double, for thick , strong , stout : clavi, Cato R. R. 20: amiculum, Nep. Dat. 3; cf. pannus, Hor. Ep. 1, 17, 25: fenus, Prop. 3 (4), 1, 22 (for which: magnum fenus, Tib. 2, 6, 22). —
4 With quam in post-Aug. prose, for alterum tantum, twice as much as , Col. 1, 8, 8: duplex quam ceteris pretium, Plin. 19, 1, 2, § 9; Quint. 2, 3, 3.
II Trop.
1 Of words, of a double sense , ambiguous : verba dubia et quasi duplicia, Quint. 9, 2, 69.—
2 In poets, like the Gr. διπλοῦς, of character, qs. double-tongued , double-faced , i. e. false , deceitful : Ulixes, Hor. C. 1, 6, 7: Amathusia, Cat. 68, 51; so, animo, Vulg. Jacob. 1, 8; 4, 8.—Adv.: dū̆-plĭcĭter , doubly , on two accounts , Lucr. 6, 510; Cic. Ac. 2 ( Luc. ), 32, 104; id. Fam. 9, 20: res conscriptae, ambiguously , Arn. 5, p. 182; Vulg. Sirach, 23, 13.