Medical Dictionary

ornithosis

noun or·ni·tho·sis \ˌr-nə-ˈthō-səs\
plural or·ni·tho·ses \-ˌsēz\

Medical Definition of ORNITHOSIS

:  psittacosis; especially :  a form of the disease occurring in or originating in birds (as the turkeys and pigeons) that do not belong to the family (Psittacidae) containing the parrots

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