Ar'go, n.

noun

Ar'go, n. [Lat. Argo, Gr. Ἀργώ.]

  1. (Myth.) The name of the ship which carried Jason and his fifty-four companions to Colchis, in quest of the golden fleece.
  2. (Astron.) A constellation in the southern hemisphere, called also Argo Navis, whose stars in the Britannic catalogue are sixty-four. Flamsteed.