pinworm
/ˈpɪnˌwɜrm/
noun
- A small, thin parasitic worm that infests the intestines of humans, especially children, causing itching around the anus.
- Pinworm eggs can spread easily in schools if children don't wash their hands.
- Treatment for pinworm usually involves medication for the whole family.
- The doctor said the child's itching was caused by a pinworm infection.