/ Dictionary / Index C coccidiosis: Meaning and Definition of Find definitions for: coc•cid•i•o•sis Pronunciation: (kok-sid"ē-ō'sis), [key] — n. Vet. Pathol. any of a series of specific infectious diseases caused by epithelial protozoan parasites, which may affect the intestines of birds, domestic animals, or dogs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coccidiosis (Thesaurus) coccidioidomycosis coccidium Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language