Noun | 1. | salmonella - rod-shaped Gram-negative enterobacteria; cause typhoid fever and food poisoning; can be used as a bioweapon enteric bacteria, enterics, enterobacteria, entric - rod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals genus Salmonella - a genus of bacteria Gartner's bacillus, Salmonella enteritidis - a form of salmonella that causes gastroenteritis in humans Salmonella typhimurium - a form of salmonella that causes food poisoning in humans Salmonella typhi, Salmonella typhosa, typhoid bacillus - a form of salmonella that causes typhoid fever |