Also zittern. Variant of ZITHER; cf. CITTERN.

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1864.  in Webster.

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1868.  Daily News, 14 Aug., 5/3. A couple of musicians, one playing the violin, another an instrument something like the zittern.

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1886.  Ruskin, Præterita, II. vi. 215. He is playing … on a kind of zithern-harp.

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