noun
ZoologyA genus of pinworms of the superfamily Oxyuroidea; (also oxyuris) a pinworm of this genus.
The species infesting humans is now usually placed in the genus Enterobius.
Origin
Mid 19th century; earliest use found in Joseph Laurie (d. 1865). From scientific Latin Oxyuris, genus name from ancient Greek ὀξυ- + οὐρά tail.
Are You Learning English? Here Are Our Top English Tips