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Any of various parasitic nematode worms of the superfamily Strongyloidea, especially several species that infect the gastrointestinal tract of horses and other mammals.
[New Latin Strongylus, type genus, from Greek strongulos, round.]
(Animals) any parasitic nematode worm of the family Strongylidae, chiefly occurring in the intestines of horses
[C19: via New Latin Strongylus, from Greek strongulos round]
or stron•gyl(ˈstrɒn dʒɪl)
any nematode of the family Strongylidae, parasitic as an adult in the intestine of mammals, esp. horses.
[1840–50; < New Latin Strongylus a genus < Greek strongýlos round, spherical]
stron′gy•late` (-dʒəˌleɪt) adj.