Argus or Argos [är'gos, gus] , in Greek mythology. 1. Many-eyed
monster, also called Panoptes. He guarded Io after she had been
changed into a heifer. After Hermes slew the monster, Hera took his
eyes and placed them in the tail of her bird, the peacock. 2.
Builder of the Argo. He built the ship on which Jason and the
Argonauts (of which he was one) sailed in quest of the Golden
Fleece.