'Pinworm' definitions:
Definition of 'pinworm'
(from WordNet)
noun
Small threadlike worm infesting human intestines and rectum especially in children [syn: pinworm, threadworm, Enterobius vermicularis]
Definition of 'Pinworm'
From: GCIDE
- Pinworm \Pin"worm`\, n. (Zool.) A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man. It is most common in children and aged persons. [1913 Webster]