0 a type of bacteria that causes disease in animals and humans, especially diseases of the digestive system:
Campylobacter can be found in farm animals, especially poultry.
A food-borne bacterium called campylobacter causes a serious diarrheal disease in people.
A small outbreak of campylobacter infections this summer was traced to raw milk.
He has identified a natural bacteria-killing protein that, when added to chicken feed, substantially reduces campylobacter numbers in the birds' intestines.
