a rickettsial disease affecting birds of the parrot family, pigeons, and domestic fowl, caused by the chlamydia Chlamydia psittaci and transmissible to humans.
Origin of psittacosis
1895–1900; < Latin psittac(us) parrot (< Greek psittakós) + -osis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a disease of parrots, caused by the obligate intracellular parasite Chlamydia psittaci, that can be transmitted to man, in whom it produces inflammation of the lungs and pneumoniaAlso called: parrot fever, ornithosis
Word Origin for psittacosis
C19: from New Latin, from Latin psittacus a parrot, from Greek psittakos; see -osis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
An infectious disease of parrots and related birds that is caused by the bacterium Chlamydia psittaci and that is communicable to humans, in whom it produces high fever, severe headache, and symptoms similar to pneumonia.parrot fever
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.