(1):

(n.) A musical instrument used by the ancients. It is supposed to have been similar to the modern kettle drum, though perhaps smaller.

(2):

(n.) A musical instrument of brass, shaped like a circular dish or a flat plate, with a handle at the back; - used in pairs to produce a sharp ringing sound by clashing them together.

(3):

(n.) A musical instrument used by gypsies and others, made of steel wire, in a triangular form, on which are movable rings.