catheter
noun
cath·e·ter
ˈka-thə-tər 
ˈkath-tər
: 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
There were no tourniquets available, so a bladder catheter had been tied around his arm to slow the bleeding.
—
Clayton Dalton, New Yorker, 18 Apr. 2025
What Is Candida Auris? Candida auris (C. auris) is a fungus that is often spread among patients in health care facilities, via breathing tubes, feeding tubes, catheters in a vein and urinary catheters.
—Kevin Sabet, Newsweek, 24 Mar. 2025
The device can be inserted with a catheter or syringe.
—Lisa Schencker, Chicago Tribune, 3 Apr. 2025
The fungus primarily spreads through medical equipment such as catheters, as well as breathing and feeding tubes.
—Jenny Lehmann, Discover Magazine, 3 Apr. 2025
See All Example Sentences for catheter
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Clayton Dalton, New Yorker, 18 Apr. 2025
What Is Candida Auris? Candida auris (C. auris) is a fungus that is often spread among patients in health care facilities, via breathing tubes, feeding tubes, catheters in a vein and urinary catheters.
—Kevin Sabet, Newsweek, 24 Mar. 2025
The device can be inserted with a catheter or syringe.
—Lisa Schencker, Chicago Tribune, 3 Apr. 2025
The fungus primarily spreads through medical equipment such as catheters, as well as breathing and feeding tubes.
—Jenny Lehmann, Discover Magazine, 3 Apr. 2025
See All Example Sentences for catheter
Cite this Entry
“Catheter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catheter. Accessed 1 May. 2025.
Copy CitationMedical Definition
catheter
noun
cath·e·ter
ˈkath-ət-ər, ˈkath-tər
: 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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