What is "citherns"

Usage examples of "citherns".

Then with preluding low, a thousand harps, And citherns, and strange nameless instruments, Sent through the fragrant air sweet symphonies, And the winged dancers waved in mazy rounds, With changing lustres like a summer sea.

The king was finally arrested, we are told, in his purpose to destroy the house, by hearing the sounds of bells, musical stones, lutes, and citherns, as he was ascending the steps that led to the ancestral hall or temple.