plural caths
: catheterization
especially
: cardiac catheterization
… four or five low-risk caths could easily be done each day. —
David Guo
—often used before another noun David Guo Twenty minutes later, she was in the heart cath room where Drs. Maddox and Bronson spent the next two hours delicately pushing 3 stents into an artery … —Roger Aiken
Roger Aiken
cathed; cathing
: to insert a catheter into (a patient) : to perform a catheterization procedure on (a patient)
… the nurse soon returned and said she had tried to cath the woman but couldn't find her urethra …—Charles Hagen
Charles HagenExamples of cath in a Sentence
Recent Examples on the Web
Michelle Marchante
july 23, Miami Herald, 23 July 2025
Positioned next to a patient’s head in a cath lab, a neurosurgeon (often working miles away) can subtly change the direction of the magnetic field to bend the tip of the catheter more easily, travel through affected vessels, and restore blood flow to the brain.
—Alex Christian, WIRED, 14 Oct. 2024
Within minutes of arriving at the emergency room, I was wheeled into the hospital's cath lab, where a cardiac team prepared to perform an emergency angioplasty.
—Donna Blass, Health, 4 Aug. 2023
But nearly five months after my visit to the cath lab, everything is happily back to normal.
—Ken Budd, Anchorage Daily News, 12 June 2023
Ostrzega knew almost immediately that Girn made the right decision in keeping Louis out of the cath lab.
—Nathaniel Scharping, Discover Magazine, 24 Oct. 2021
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Noun
Plans are currently in the works to renovate the hospital’s second cath lab, too.
—Michelle Marchante
july 23, Miami Herald, 23 July 2025
Positioned next to a patient’s head in a cath lab, a neurosurgeon (often working miles away) can subtly change the direction of the magnetic field to bend the tip of the catheter more easily, travel through affected vessels, and restore blood flow to the brain.
—Alex Christian, WIRED, 14 Oct. 2024
Within minutes of arriving at the emergency room, I was wheeled into the hospital's cath lab, where a cardiac team prepared to perform an emergency angioplasty.
—Donna Blass, Health, 4 Aug. 2023
But nearly five months after my visit to the cath lab, everything is happily back to normal.
—Ken Budd, Anchorage Daily News, 12 June 2023
Ostrzega knew almost immediately that Girn made the right decision in keeping Louis out of the cath lab.
—Nathaniel Scharping, Discover Magazine, 24 Oct. 2021
Cite this Entry
“Cath.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cath. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
cath
1 of 3 noun
: catheterization
especially
: cardiac catheterization
A routine catheterization takes no more than an hour. Allowing for preparation and cleanup time, that means four or five low-risk caths could easily be done each day. —David Guo, The Pittsburgh Post-Gazette
—often used before another noun David Guo, The Pittsburgh Post-Gazette a cath lab
cath
2 of 3 transitive verb
: to insert a catheter into : subject to catheterization
… the nurse soon returned and said she had tried to cath the woman but couldn't find her urethra …—Charles Hagen, in Emergency!: True Stories from the Nation's ERs
Charles Hagen, in Emergency!: True Stories from the Nation's ERsLove words? Need even more definitions?
Merriam-Webster unabridged
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