VOLUBILATE; VOLUBILE
Vo*lu"bi*late, Vol"u*bile}, a. Etym: [See Voluble.]
Defn: Turning, or whirling; winding; twining; voluble.
VOLUBILITY
Vol`u*bil"i*ty, n. Etym: [L. volubilitas: cf. F. volubilité.]
Defn: The quality or state of being voluble (in any of the senses of the adjective).
VOLUBLE Vol"u*ble, a. Etym: [L. volubilis, fr. volvere, volutum, to roll, to turn round; akin to Gr. welle a wave: cf. F. voluble. Cf. F. Well of water, Convolvulus, Devolve, Involve, Revolt, Vault an arch, Volume, Volute.]
1. Easily rolling or turning; easily set in motion; apt to roll; rotating; as, voluble particles of matter.
2. Moving with ease and smoothness in uttering words; of rapid speech; nimble in speaking; glib; as, a flippant, voluble, tongue. [Cassio,] a knave very voluble. Shak.
Note: Voluble was used formerly to indicate readiness of speech merely, without any derogatory suggestion. "A grave and voluble eloquence." Bp. Hacket.
3. Changeable; unstable; fickle. [Obs.]
4. (Bot.)