cath·​e·​ter | \ ˈka-thə-tər How to pronounce catheter (audio) , ˈkath-tər\

Definition of catheter

: a tubular medical device for insertion into canals, vessels, passageways, or body cavities usually to permit injection or withdrawal of fluids or to keep a passage open — compare balloon catheter

Examples of catheter in a Sentence

Recent Examples on the Web

Metal catheters may begin to rust or decompose within the bear’s body. National Geographic, "Bear bile, explained," 12 June 2019 In this setting, MRSA primarily causes pneumonia and bloodstream infection from catheters. The New York Review of Books, "Jerome Groopman," 21 Mar. 2019 In certain situations, the catheter may be in the right place, but just not deep enough. Korin Miller, SELF, "Jessie James Decker Says the 'Epidural Didn't Take' When She Had Her First Child," 10 Oct. 2018 Five days later, the catheter came out and all the pain was over. Marie Claire, "What It's Really Like to Have Vaginal Reconstructive Surgery," 24 June 2015 This typically happens three to five days following egg retrieval and fertilization, via a catheter inserted into the uterus. Jennifer Gerson, Marie Claire, "Health & Fitness," 1 Oct. 2018 Gabriela Luchetti, a physician in southern Argentina, still remembers the 18-year-old woman who arrived at her hospital in the 1990s with a severe infection after using a rubber catheter in an illicit procedure. Ryan Dube, WSJ, "In Key Moment, Argentina to Vote on Loosening Strict Abortion Laws," 5 Aug. 2018 He was wheeled into the angiography suite, and a catheter was inserted into an artery at 10:56. Thomas M. Burton, WSJ, "Hospitals Rush to Offer New Stroke Treatment," 26 Dec. 2018 For months Mike had only a piece of skin covering his brain, which was peppered with catheters pulling spinal fluid out of it to control the swelling. Emily Deciccio, Fox News, "Service dog training program offers hope, rehab to inmates and soldiers," 19 July 2018

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

1601, in the meaning defined above

History and Etymology for catheter

Late Latin, from Greek kathetēr, from kathienai to send down, from kata- cata- + hienai to send — more at jet

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Statistics for catheter

Last Updated

19 Jun 2019

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Time Traveler for catheter

The first known use of catheter was in 1601

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English Language Learners Definition of catheter

medical : a thin tube that is put into the body to remove or inject a liquid or to keep a passage open


cath·​e·​ter | \ ˈkath-ət-ər, ˈkath-tər How to pronounce catheter (audio) \

Medical Definition of catheter

: a tubular medical device for insertion into canals, vessels, passageways, or body cavities for diagnostic or therapeutic purposes (as to permit injection or withdrawal of fluids or to keep a passage open)

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More from Merriam-Webster on catheter

Spanish Central: Translation of catheter

Nglish: Translation of catheter for Spanish Speakers

Britannica English: Translation of catheter for Arabic Speakers Encyclopedia article about catheter

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a device or gadget

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