violone

noun

A 16-foot organ stop yielding stringlike tones similar to those of a cello.

noun

The largest of the medieval viols; a double-bass viol.

noun

In organ-building, a pedal stop of sixteenfeet tone, resembling the violoncello.

noun

The largest instrument of the bass-viol kind, having strings tuned an octave below those of the violoncello; the contrabasso; — called also double bass.

noun

An early stringed instrument similar to a double bass; a double bass viol