noun

• (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.
• A watchful guardian.
• An alert, observant person.
• 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.
• Alternative form of argus (“watchful guardian”) [A watchful guardian.]