roundworm

noun
round·​worm | \ ˈrau̇nd-ˌwərm How to pronounce roundworm (audio) \

Definition of roundworm

: nematode also : a related round-bodied unsegmented worm (such as a spiny-headed worm) as distinguished from a flatworm

Examples of roundworm in a Sentence

Recent Examples on the Web If accidentally inhaled, roundworm infections can lead to irreversible brain, heart, or eye damage. Bill Heavey, Field & Stream, "11 Kinds of Animal Poop Hunters Should Know," 13 Jan. 2020 Raccoons are rabies carriers and can transfer other diseases and pests such as roundworm, the Humane Society advises. USA TODAY, "Puppy sleepovers, paisley-patterned botanic garden: News from around our 50 states," 19 Dec. 2019 Upon irrigating her eye, the patient ended up removing two transparent, moving roundworms. Maggie O'neill, Health.com, "A Second Case of ‘Cattle Eye Worm’ Has Been Reported in the US. Here’s What That Means," 7 Nov. 2019 Ants infected by a roundworm called Myrmeconema neotropicumturns turn from black to red and strike suicidal berry poses that attract hungry birds, the worm’s definitive host. Joe Pappalardo, Popular Mechanics, "Inside the Forever War Against Parasites Trying To Control Our Brains," 23 Sep. 2019 The 64 tiny roundworm eggs mixed in with the remains of the Pleistocene puma’s last meal can tell us something about how parasites and their hosts have co-evolved over the last few thousand years. Kiona N. Smith, Ars Technica, "16,000-year-old puma poop yields a sample of Ice Age parasites," 28 Aug. 2019 Although the new find shows that T. leonina is an ancient pest, the roundworm still infects modern pets and wild carnivores pretty regularly. Kiona N. Smith, Ars Technica, "16,000-year-old puma poop yields a sample of Ice Age parasites," 28 Aug. 2019 Raccoons can spread canine distemper and lay Baylisascaris roundworm eggs in water, sandboxes or on objects, which could potentially lead to severe infections in humans. Janet Eastman, oregonlive.com, "What to do about cougars in the neighborhood, skunks under the house, bats in the attic," 19 July 2019 Plants, roundworms, flatworms and insects use RNA to carry signals through their tissues, and perhaps further. Quanta Magazine, "RNA’s Secret Life Outside the Cell," 8 Nov. 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roundworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of roundworm

1558, in the meaning defined above

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Time Traveler for roundworm

Time Traveler

The first known use of roundworm was in 1558

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Statistics for roundworm

Last Updated

23 Jan 2020

Cite this Entry

“Roundworm.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/roundworm. Accessed 27 January 2020.

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More Definitions for roundworm

roundworm

noun
How to pronounce roundworm (audio)

English Language Learners Definition of roundworm

: a small worm with a long, round body that lives inside the bodies of people and animals

roundworm

noun
round·​worm | \ ˈrau̇nd-ˌwərm How to pronounce roundworm (audio) \

Kids Definition of roundworm

: a worm that has a round body with no segments and is sometimes a serious parasite of people and animals

roundworm

noun
round·​worm | \ ˈrau̇n-ˌdwərm How to pronounce roundworm (audio) \

Medical Definition of roundworm

: nematode also : a related round-bodied unsegmented worm (as an acanthocephalan) as distinguished from a flatworm

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More from Merriam-Webster on roundworm

Rhyming Dictionary: Words that rhyme with roundworm

Spanish Central: Translation of roundworm

Nglish: Translation of roundworm for Spanish Speakers

Britannica.com: Encyclopedia article about roundworm

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