Origin of ornithosis

From New Latin, dating back to 1830–40; see origin at ornith-, -osis
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British Dictionary definitions for ornithosis


  1. a disease identical to psittacosis that occurs in birds other than parrots and can be transmitted to man
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

ornithosis in Medicine


  1. A disease of birds caused by Chlamydia psittaci and contracted by humans through contact with infected birds.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.