Gui*tar" (?), n. [F. guitare; cf. Pr., Sp., & Pg. guitarra, It. chitarra; all fr. Gr. ?; cf. L. cithara. Cf. Cittern, Gittern.] A stringed instrument of music resembling the lute or the violin, but larger, and having six strings, three of silk covered with silver wire, and three of catgut, -- played upon with the fingers.