from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various gram-negative, rod-shaped bacteria of the genus Proteus, certain species of which are associated with human enteritis and urinary tract infections.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of many gram-negative bacteria, of the genus Proteus, several of which are responsible for human infections.
New Latin Prōteus, genus name, from Latin, Proteus; see Proteus.(American Heritage® Dictionary of the English Language, Fourth Edition)