Medical Dictionary


noun pin·worm \ˈpin-ˌwərm\

Medical Definition of PINWORM

:  any of numerous small nematode worms of the family Oxyuridae that have the tail of the female prolonged into a sharp point and infest the intestines and especially the cecum of various vertebrates; especially :  a worm of the genus Enterobius (E. vermicularis) that is parasitic in humans


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears