What does "pinworm" mean?

Any of several nematode worms, of the family Oxyuridae, that are parasitic to mammals

Pinworm

Common synonyms include: threadworm, enterobiasis, enterobiasis-related, enterobius vermicularis, nematode parasite, pinworm disease.

noun

noun ·Rare ·Advanced level

Noun

1
Any of several nematode worms, of the family Oxyuridae, that are parasitic to mammals
2
small threadlike worm infesting human intestines and rectum especially in children wordnet

From pin + worm.