"cithers" in the noun sense
1. zither, cither, zithern
a musical stringed instrument with strings stretched over a flat sounding board it is laid flat and played with a plectrum and with fingers
2. cittern, cithern, cither, citole, gittern
a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings
Source: WordNet® (An amazing lexical database of English)
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