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Definition of pinworm

pinworm

/ˈpɪn.wɜːrm/
pin · worm
Plural:pinworms
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pinworm Lexical Profile

pinworm Game Scores & Validity

• noun

1

A small, slender, white parasitic nematode worm of the family Oxyuridae (especially Enterobius vermicularis) that inhabits the human intestines and rectum, most commonly affecting children.

Example

"The pediatrician prescribed an antiparasitic medication after confirming that the child had contracted a pinworm infection at daycare."

Synonyms
View all synonyms for pinworm

• Nearby Words

pinup
pinus
pinwheel
pinworm
piny
pinyon
pioneer

Word Origin & Etymology

First recorded in the late 17th century, formed as a compound of "pin" and "worm" in reference to the parasite's small, slender, pin-like appearance, particularly the pointed tail of the female.

Cite this Entry

Wordmom. (2026). Definition of Pinworm. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pinworm
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