Gui-tär', n.

noun

(gī-tär'), n. [Fr. guitarra, Pr., Sp., & Pg. guitarra, It. chitarra, from Gr. κιθάρα, Lat. cithara. Cf. CITHERA.] A stringed instrument of music resembling the violin, but larger, and having six strings, played upon with the fingers, three of silk covered with silver wire, and three of catgut.

An acoustic guitar is shown upright.
Guitar.