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horsehair worm

noun

any long, slender worm of the phylum Nematomorpha, developing parasitically on insects and crustaceans, and free-living as adults in streams and ponds.

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Nearby words

  1. horseflesh,
  2. horsefly,
  3. horsehair,
  4. horsehair fungus,
  5. horsehair toadstool,
  6. horsehair-blight fungus,
  7. horsehead,
  8. horsehead nebula,
  9. horsehide,
  10. horselaugh

Origin of horsehair worm

First recorded in 1745–55
Also called gordian worm, nematomorph.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for horsehair worm

horsehair worm

noun

another name for hairworm (def. 2)
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