strongyle
noun
stron·gyle ˈsträn-ˌjī(-ə)l 
-jəl
: any of various nematode worms (family Strongylidae) related to the hookworms and parasitic especially in the intestines and tissues of horses compare bloodworm sense 2
Example Sentences
Recent Examples on the Web Two of the intestinal worms Hippocrates referenced were called Helmins strongyle (described as a large round worm) and Ascaris (a small round worm). 
Kastalia Medrano, Newsweek, 15 Dec. 2017
Kastalia Medrano, Newsweek, 15 Dec. 2017 Word History
Etymology
New Latin Strongylus, genus of worms, from Greek strongylos round, compact; akin to Greek stranx drop squeezed out — more at strain
First Known Use
1847, in the meaning defined above
Medical Definition
strongyle
noun
stron·gyle ˈsträn-ˌjīl
: strongylid
especially : a worm of the genus Strongylus or closely related genera that is parasitic especially in the intestines and tissues of the horse and may induce severe diarrhea and debility