trĕmŭlus, a, um, adj. [tremo].
I Lit., shaking , quaking , quivering , trembling , tremulous (poet. and in post-Aug. prose): anus, Plaut. Curc. 1, 3, 3; cf.: incurvus, tremulus, labiis demissis, gemens, Ter. Eun. 336: manus annisque metuque, Ov. M. 10, 414; so, anni, Prop. 4 (5), 7, 73: tempus, Cat. 61, 161: passus (senilis hiemis), Ov. M. 15, 212: artus, Lucr. 3, 7: manus, Plin. 14, 22, 28, § 142: guttur, Cic. poët. Div. 1, 8, 14 ut mare fit tremulum, tenui cum stringitur aura, Ov. H. 11, 75: harundo, id. M. 11, 190: canna, id. ib. 6, 326: cupressus, Petr. 131: flamma, Cic. poët. N. D. 2, 43, 110; Verg. E. 8, 105; cf.: jubar ignis, Lucr. 5, 696: ignes, id. 4, 405: lumen, Verg. A. 8, 22: motus, Lucr. 3, 301: horror, Prop. 1, 5, 15: lorum, Luc. 4, 444: colores, Claud. in Ruf. 2, 356: equi, i.e. restless , spirited , Nemes. Cyn. 256 (cf. Verg. G. 3, 84 and 250).— Subst.: sacopenium sanat vertigines, tremulos, opisthotonicos, i.e. shaking or trembling in the joints , Plin. 20, 18, 75, § 197; 20, 9, 34, § 85; 23, 4, 47, § 92.—In neutr. , adverb.: (puella) tam tremulum crissat, tremblingly , Mart. 14, 203, 1. —
II Transf., act. , that causes one to shake or shiver : frigus, Cic. Arat. 68.—* Adv.: trĕmŭlē , tremblingly , Ap. Met. 5, 22, 25.