voluble \VOL-yuh-buhl\ (adjective) - 1 : Characterized by a ready flow of speech. 2 : Easily rolling or turning; rotating. 3 : (Botany) Having the power or habit of turning or twining.
"Everyone agreed that Judith was such a voluble speaker that she would be well-advised to go into politics."
Voluble derives from Latin volubilis, "revolving, rolling, fluent," from volvere, "to roll."