guitar Meaning, Definition & Usage

  1. noun a stringed instrument usually having six strings; played by strumming or plucking

WordNet

Gui*tar" noun
Etymology
F. guitare; cf. Pr., Sp., & Pg.guitarra, It. chitarra; all fr. Gr. cf. L. cithara. Cf. Cittern, Gittern.
Definitions
  1. 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.

Webster 1913