Violoncello
Pronunciation : Vi`o*lon*cel"lo
Part of Speech : n.
Etymology : [It. violoncello, dim. of violone a bass viol. See Violone.] (Mus.)
Definition : Defn: A stringed instrument of music; a bass viol of four strings, or a bass violin with long, large strings, giving sounds an octave lower than the viola, or tenor or alto violin.
Source : Webster's Unabridged Dictionary, 1913