\Zith"er\, n. [G. zither. See {Cittern}.] (Mus.) An instrument of music used in Austria and Germany. It has from thirty to forty wires strung across a shallow sounding-board, which lies horizontally on a table before the performer, who uses both hands in playing on it. Note: [Not to be confounded with the old lute-shaped cittern, or cithern.]