Lewis & Short

† 1. zygĭa, ae, f., = ζυγία (prop. an adj. from ζύγιος, belonging to or fit for yokes).

  1. I. A tree, called also carpinus, horn-beam: Carpinus betulus, Linn.; Plin. 16, 15, 26, § 67.
  2. II. Zygia tibia, a nuptial or marriage flute, App. M. 4, p. 157, 37.