The Collaborative International Dictionary of English v.0.48:

Strongyloid \Stron"gy*loid\, a. [NL. Strongylus the genus (from
   Gr. ? round) + -oid.] (Zool.)
   Like, or pertaining to, Strongylus, a genus of parasitic
   nematode worms of which many species infest domestic animals.
   Some of the species, especially those living in the kidneys,
   lungs, and bronchial tubes, are often very injurious. -- n. A
   strongyloid worm.
   [1913 Webster]