zith‧er /ˈzɪðə $ -ər/ noun [countable]
[Date: 1800-1900; Language: German; Origin: Greek kithara type of stringed instrument]
a musical instrument from Eastern Europe that consists of a flat box with strings stretched across it. You play it by pulling the strings with your fingers or a plectrum (=small piece of plastic, metal etc).

[TahlilGaran] Dictionary of Contemporary English ▲