(vē·ō′lə, vī-; Ital. vyō′lä) noun
1. A four–stringed musical instrument of the violin family, somewhat larger than the violin, and tuned a fifth lower, with a graver and less brilliant tone. Its four strings are tuned in fifths.
2. A medieval viol.
3. An organ stop of eight–foot length and tone, producing stringlike tones. [<Ital., orig. a viol <Med. L vidula <Gmc.]

(vī′ō·lə, vē′-, vī·ō′lə)
A feminine personal name. Also Vi·o·lan·te (Pg. vē′ō·lä′tə, Sp. bē′ō·län′tā), Ger. Vi·o·le (vē·ō′lə). [<L, a violet]
—Viola
The heroine in Shakespeare's Twelfth Night.