Lewis & Short

† barbĭtŏs, m. (f. in the spurious epistle of Sappho, Ov. H. 15, 8;

  1. I. v. infra; found only in nom., acc., and voc.; plur. barbita, n., Aus. Ep. 44). = [?BA/RBITON (-OS ?]), a lyre, a lute (not before the Aug. per.): age, dic Latinum, Barbite, carmen, Hor. C. 1, 32, 4; 1, 1, 34; 3, 26, 4; Claud. Praef. ap. Nupt. Hon. et Mar. 10; Aus. Epigr. 44.
  2. II. Meton., the song played upon the lute: non facit ad lacrimas barbitos ulla meas, Ov. H. 15. 8 (a spurious poem).