a contagious intestinal disease of domestic and wild animals, birds, and, rarely, people, caused by members of an order (Coccidia) of sporozoans living as parasites in the intestines
See coccidiosis in American Heritage Dictionary 4
(kŏk-sĭdˌē-ōˈsĭs)
noun
A parasitic disease of many animals, including cattle, swine, sheep, dogs, cats, and poultry, but rarely of humans, resulting from infestation of the alimentary canal by protozoans of the order Coccidia.