1. proteus - Noun
2. Proteus - Proper noun
A sea god in the service of Neptune who assumed different shapes at will. Hence, one who easily changes his appearance or principles.
A genus of aquatic eel-shaped amphibians found in caves in Austria. They have permanent external gills as well as lungs. The eyes are small and the legs are weak.
A changeable protozoan; an amoeba.
Source: Webster's dictionaryAfter attempting to craft the theme with different sound effects, Snow used a Proteus 2 rack-mount synth with an effect called "Whistling Joe". Source: Internet
After Otsuka restructured its partnership with Proteus, it will shift its focus to infectious disease and oncology. Source: Internet
Aristaeus had to seize Proteus and hold him, no matter what he would change into. Source: Internet
Fleetwood Mac, by Steve Clarke, Proteus Books, 1984, p. 47 Chicken Shack had a hit with " I'd Rather Go Blind ", which featured McVie on lead vocals. Source: Internet
Fleetwood Mac, by Steve Clarke, Proteus Books, 1984, p. 48 Perfect received a Melody Maker award for female vocalist in both 1969 and 1970. Source: Internet
From this feature of Proteus comes the adjective protean, with the general meaning of "versatile", "mutable", "capable of assuming many forms". Source: Internet