argus /ärˈgəs/

1. (with cap) in Greek mythology, Io's guardian, whose hundred eyes Hera transferred to the peacock's tail
2. (with cap) a vigilant watcher
3. A pheasant of SE Asia (argus pheasant) of the genus Argusianus, with a long colourful tail with eye-spots
4. A butterfly with many eye-spots on the wings (as some Lycaenidae and Satyridae)
5. An ophiuroid with much-divided coiling arms

Arˈgus-eyed adjective

Keen-sighted, vigilant

argus tortoise beetle noun

A black-spotted, reddish, tortoise-shaped beetle that feeds on plants of the convolvulus family

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