Medical Dictionary
ornithosis
noun or·ni·tho·sis \ˌȯr-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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