lung·​worm | \ ˈləŋ-ˌwərm How to pronounce lungworm (audio) \

Definition of lungworm

: any of various nematodes that infest the lungs and air passages of mammals

Examples of lungworm in a Sentence

Recent Examples on the Web Along with negatively affecting agriculture and ecosystems, the West Africa natives are known to carry a parasite called the rat lungworm that can cause rare forms of meningitis in humans. Li Cohen, CBS News, 21 July 2021 Giant apple snails, which originally came to the U.S. through the aquarium trade, wreak havoc on aquatic crops like rice, per National Geographic, and spread a parasite called rat lungworm. Theresa Machemer, Smithsonian Magazine, 28 Oct. 2020 The parasitic worm in these cases is the rat lungworm, aka Angiostrongylus cantonensis. Beth Mole, Ars Technica, 30 May 2019 Aside from their unsettling appearance, the worms are known to pose a threat to animals and humans by carrying the parasite Angiostrongylus cantonensi, otherwise known as rat lungworm, according to the TISI. Rebecca Hennes, Houston Chronicle, 2 July 2019 Sam became a quadriplegic and has to be tube-fed after contracting rat lungworm from the backyard slug in 2010. Fox News, 2 Apr. 2018 Sam, from Sydney’s north shore, fell ill from the slug dare and was taken to Royal North Shore Hospital, where he was diagnosed as having been infected with rat lungworm. Fox News, 2 Apr. 2018 All these years later, he was diagnosed with an infection of rat lungworm, a parasite the slug had evidently been carrying. Eleanor Hildebrandt, Popular Mechanics, 6 Nov. 2018 In fact, that's what usually happens in human cases of rat lungworm. Eleanor Hildebrandt, Popular Mechanics, 6 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lungworm.' 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 lungworm

1882, in the meaning defined above

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Time Traveler for lungworm

Time Traveler

The first known use of lungworm was in 1882

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Dictionary Entries Near lungworm

lung sickness



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Cite this Entry

“Lungworm.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2022.

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More Definitions for lungworm


lung·​worm | \ -ˌwərm How to pronounce lungworm (audio) \

Medical Definition of lungworm

: any of various nematodes especially of the family Metastrongylidae that infest the lungs and air passages of mammals: as
a : a nematode of the genus Dictyocaulus
b : a lungworm of the genus Metastrongylus (M. apri synonym M. elongatus) that infests swine and causes bronchitis

More from Merriam-Webster on lungworm Encyclopedia article about lungworm


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