Lewis Short
(adjective) : vŏlūbĭlis, e, volvo
* That is turned round or (more freq.) that turns itself round, turning, spinning, whirling, circling, rolling, revolving.
* Lit.: buxum,i. e. a top,Verg. A. 7, 382: caelum,Cic. Univ. 6 fin.: sol,Prud. Cath. 3 praef.: nexus (anguis),Ov. M. 3, 41: volubilis et rotundus deus,Cic. N. D. 2, 17, 46: figurae aquae,Lucr. 3, 190: procursus,id. 2, 455: aquae,Hor. C. 4, 1, 40; cf.: labitur (sc. amnis), et labetur in omne volubilis aevum,id. Ep. 1, 2, 43: aurum,i. e. the golden apple,Ov. M. 10, 667; cf. id. H. 20, 209: electrum,Plin. 37, 3, 11, § 42: pila,App. M. 2, p. 116.
* Trop.
* Of speech, rapid, fluent, voluble (the figure taken from rolling waters): vis volubilis orationis,Auct. Her. 3, 14, 25: oratio,Cic. Brut. 28, 108: rotunda volubilisque sententia,Gell. 11, 13, 4.—Transf., of the speaker: homo volubilis quādam praecipiti celeritate dicendi,Cic. Fl. 20, 48; id. Brut. 27, 105; id. Fragm. ap. Prisc. p. 617 P.
* Of fate, changeable, mutable: vaga volubilisque fortuna,Cic. Mil. 26, 69; cf.: cum videamus tot varietates tam volubili orbe circumagi,Plin. Ep. 4, 24, 6: fortunae volubiles casus,Amm. 22, 1, 1: volubilium casuum diritas,id. 26, 1, 3.—Adv.: vŏlūbĭ-lĭter.
* Swiftly rolling, spinning, Amm. 20, 11, 26; cf. Non. p. 4, 1.
* Trop., of speech, rapidly, fluently, volubly: funditur numerose et volubiliter oratio,Cic. Or. 62, 210.
Charlton T. Lewis, Charles Short, A Latin Dictionary