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threadworm

[thred-wurm]
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noun
  1. any of various nematode worms, especially a pinworm.

Origin of threadworm

First recorded in 1795–1805; thread + worm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for threadworm

threadworm

noun
  1. any of various nematodes, esp the pinworm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

threadworm in Medicine

threadworm

(thrĕdwûrm′)
n.
  1. A nematode of the genus Strongyloides, parasitic in the small intestine of mammals.
  2. pinworm