n.
A disease caused by a parasitic nematode of the genus Toxocara, transmitted to humans by ingestion of a substance, such as soil, that has been contaminated by dog or cat feces and typically affecting either the eye or the internal organs. The ocular form of the disease can lead to permanent loss of vision.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.