(Greek mythology) A mythical being, also called Argos or Argus Panoptes, with many eyes, a watchman who served Hera; his eyes were later transplanted to the peacock's tail.

Alternative form of argus (“watchful guardian”)

A watchful guardian.

An alert, observant person. (Can we add an example for this sense?)

Either of two species of pheasant of Southeast Asia having large ocellated tails.

Any of various nymphalid butterflies, such as those of the genus Junonia, also called pansies.