whipworm

noun

whip·​worm ˈ(h)wip-ˌwərm How to pronounce whipworm (audio)
: a parasitic nematode worm (genus Trichuris) with a body that is thickened posteriorly and that is very long and slender anteriorly
especially : one (T. trichiura) of the human intestine

Examples of whipworm in a Sentence

Recent Examples on the Web
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Police said nearly all the dogs that were surrendered tested positive for whipworm, an intestinal parasite known to cause anemia that, if left untreated, can eventually result in the death of an animal. Erika Stanish, CBS News, 24 June 2026 The kinds of intestinal worms that dogs can get are most commonly roundworm, hookworm, whipworm, and tapeworm. Dr. John De Jong, Boston Herald, 18 Jan. 2026 Roundworms and whipworms both live in the intestine and cause various ailments, including abdominal pain, nausea, fever and diarrhea. Claire Cameron, Scientific American, 22 Dec. 2025 Scientists analyzing the sewer drains from the Roman fort Vindolanda (near Hadrian’s Wall in northern England) found three types of intestinal parasites—roundworm,whipworm, and Giardia duodenalis. Laura Baisas, Popular Science, 19 Dec. 2025

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of whipworm was in 1875

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Cite this Entry

“Whipworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whipworm. Accessed 6 Jul. 2026.

Medical Definition

whipworm

noun
whip·​worm -ˌwərm How to pronounce whipworm (audio)
: a parasitic nematode worm of the family Trichuridae with a body that is thickened posteriorly and that is very long and slender anteriorly
especially : one of the genus Trichuris (T. trichiura) that parasitizes the human intestine

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