Source : WordNet®

cither
     n 1: a musical stringed instrument with strings stretch over a
          flat sounding box; it is laid flat and played with a
          plectrum and with fingers [syn: {zither}, {zithern}]
     2: a 16th century musical instrument resembling a guitar with a
        pear-shaped soundbox and wire strings [syn: {cittern}, {cithern},
         {citole}, {gittern}]