/ahr"geuhs/ , n.
1. Class. Myth. a giant with 100 eyes, set to guard the heifer Io: his eyes were transferred after his death to the peacock's tail.
2. a son of Phrixus and builder of the Argo.
3. (in the Odyssey ) Odysseus' faithful dog, who recognized his master after twenty years and immediately died.
4. any observant or vigilant person; a watchful guardian.
5. ( l.c. ) Also, argus pheasant . any of several brilliantly marked Malayan pheasants of the Argusianus or Rheinardia genera.
[ Árgos, deriv. of argós bright, shining ]