Ar"go (#), n. [L. Argo, Gr. .]
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 large constellation in the southern hemisphere, called also Argo Navis. In modern astronomy it is replaced by its three divisions, Carina, Puppis, and Vela.
© Webster 1913.