Noah Webster
Voluble
VOL'UBLE, adjective [Latin volubilis.]
1. Formed so as to roll with ease, or to be easily set in motion; apt to roll; as voluble particles of matter.
2. Rolling; having quick motion.
This less voluble earth.
3. Nimble; active; moving with ease and smoothness in uttering words; fluent; as a flippant, voluble tongue.
4. Fluent; flowing with ease and smoothness; as a voluble speech.
5. Having fluency of speech.
Cassio, a knave very voluble