1. an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds; [syn: psittacosis, parrot fever, ornithosis]
WordNet (r) 3.0 (2006):
ornithosis
n 1: an atypical pneumonia caused by a rickettsia microorganism
and transmitted to humans from infected birds [syn:
psittacosis, parrot fever, ornithosis]