from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A disease caused by infestation with filarial worms of the genus Onchocerca, especially a disease of humans caused by O. volvulus and characterized by nodular swellings on the skin and lesions of the eyes. Transmitted by black flies, the disease occurs in tropical regions of Africa and Central America. Also called river blindness.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A disease caused by a worm of the genus Onchocerca, especially as transmitted to humans by flies and often causing blindness; common in tropical Africa.
from the GNU version of the Collaborative International Dictionary of English
- n. An infection with nematodes of the genus Onchocerca, especially Onchocerca volvulus. Untreated, such infections can cause serious dermatological problems, and in advanced cases may lead to blindness. In certain areas of tropical Africa the blindness caused by onchocerciasis is called river blindness.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
New Latin : Onchocerca, genus name (Greek onkos, barb + Greek kerkos, tail) + -iasis.(American Heritage® Dictionary of the English Language, Fourth Edition)
From scientific Latin Onchocerca (a genus of parasitic worms), from Ancient Greek ὄγκος (onkos, "barb") + κέρκος (kerkos, "tail") + -iasis. (Wiktionary)