- any of various nematodes, esp the pinworm
WordReference Random House Unabridged Dictionary of American English © 2026
thread•worm
(thred′wûrm′),USA pronunciation n.
- Invertebratesany of various nematode worms, esp. a pinworm.
- thread + worm 1795–1805
Collins Concise English Dictionary © HarperCollins Publishers::
threadworm /ˈθrɛdˌwɜːm/ n
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'threadworm' also found in these entries (note: many are not synonyms or translations):
