Argus

1. n. 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.
2. n. 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.
3. n. One very vigilant; a guardian always watchful.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.