1. a vigilant watchman or guardian
Usage: literary
2. a large pheasant with brilliant plumage and many eye-like spots on its tail feathers
Usage: zoology

Examples

• The security guard served as an argus, watching over the building all night.
• Like an argus, she kept careful watch over her children at the playground.
• The argus pheasant displayed its magnificent spotted tail feathers during mating season.
• Birdwatchers traveled far to catch a glimpse of the elusive argus in the jungle.
• The mythological Argus had a hundred eyes and never slept.
• The museum’s night watchman was known as the argus of the art collection.