argus Meaning, Definition & Usage

  1. noun (Greek mythology) a giant with 100 eyes; was guardian of the heifer Io and was slain by Hermes
  2. noun large brilliantly patterned East Indian pheasant
    argus pheasant.

WordNet

Ar"gus noun
Etymology
L. Argus, Gr. .
Definitions
  1. (Myth.) A fabulous being of antiquity, said to have had a hundred eyes, who has placed by Juno to guard Io. His eyes were transplanted to the peacock's tail.
  2. One very vigilant; a guardian always watchful.
  3. (Zoöl.) A genus of East Indian pheasants. The common species (A. giganteus) is remarkable for the great length and beauty of the wing and tail feathers of the male. The species A. Grayi inhabits Borneo.

Webster 1913