ornithosis ornithoscopy • ornithotomical · · · Info · Definitions · Synonyms · Characters · · ornithosis · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds. Synonyms: psittacosis, parrot fever. · · Noun Definition 1 Synonyms · · · psittacosis · · Synonym 1 parrot fever · · Synonym 2 Characters · · h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074