Ar'gus, n.

n. [Lat. Argus, Gr. Αργος.]

1. (Myth.) A fabulous being of antiquity, said to have had a hundred eyes, who was placed by Juno to guard Io.
2. A genus of pheasants, one variety of which (A. giganteus) is remarkable for its beauty, and for the great length of its wing and tail feathers. Baird.