What does argo mean?
The definition of argo
Ar”go, n.
Etym: [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.