Oxyuridae
noun plural
Oxy·uri·dae
| \ -ˈyu̇r-ə-ˌdē
\
\
Medical Definition of Oxyuridae
: a family of nematode worms that have a distinct posterior enlargement of the pharynx and no preanal suckers in the male and that are chiefly parasites of the vertebrate intestinal tract — see pinworm