vol·​vu·​lus ˈväl-vyə-ləs How to pronounce volvulus (audio)
: a twisting of the intestine upon itself that causes obstruction

Example Sentences

Recent Examples on the Web Amir was diagnosed with volvulus, a condition causing the intestines to twist around themselves and obstruct the bowel. Ashley R. Williams, USA TODAY, 12 Jan. 2023 That cast suspicion on Onchocerca volvulus, a parasitic worm transmitted by black flies that breed in sub-Saharan rivers (among other places). Jennifer Abbasi, Discover Magazine, 20 Feb. 2013 Elevated feeders were once recommended as a way to prevent gastric dilatation and volvulus (GDV), also known as bloat, a life-threatening condition that’s most prevalent in large and deep-chested breeds. Lindsay Pevny, Popular Mechanics, 24 June 2022 The couple’s veterinarian later confirmed that Gus died from a stomach bloat, also known as gastric dilatation-volvulus (GDV). Timothy Bella, Washington Post, 16 June 2022 It is transmitted to humans from blackflies carrying the parasitic worm Onchocerca volvulus and occurs predominantly in Africa. Jeffrey R. Aeschlimann, The Conversation, 14 Oct. 2021 Overdrinking or drinking too rapidly may cause bloat, a term used to describe gastric dilatation-volvulus. Bayliss Wagner, USA TODAY, 12 Aug. 2021 According to investigators, Morris was told Ramirez, who had cerebral palsy but was otherwise healthy, was prone to intestinal kinks known as volvulus. Chris Harris, PEOPLE.com, 11 Aug. 2021 The drug is typically used to treat diseases caused by parasite infections, including onchocerciasis or 'river blindness' from the nematode worm Onchocerca volvulus. Jv Chamary, Forbes, 23 June 2021 See More

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

Word History


New Latin, from Latin volvere

First Known Use

1679, in the meaning defined above

Time Traveler
The first known use of volvulus was in 1679

Dictionary Entries Near volvulus

Cite this Entry

“Volvulus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volvulus. Accessed 26 Mar. 2023.

Medical Definition


vol·​vu·​lus ˈväl-vyə-ləs How to pronounce volvulus (audio)
: a twisting of the intestine upon itself that causes obstruction compare ileus

More from Merriam-Webster on volvulus

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