cannula
noun
can·nu·la
ˈkan-yə-lə 
plural cannulas or cannulae
ˈkan-yə-ˌlē
-ˌlī
: a small tube for insertion into a body cavity or into a duct or vessel
Examples of cannula in a Sentence
Recent Examples on the Web
His wife and daughter are at his side; a cannula is delivering oxygen into his nose.
—
Dhruv Khullar, New Yorker, 9 Jan. 2026
First the femoral artery line, next the catheter, then the many cannulas, and finally the spinal tap.
—David Freyne, Time, 7 Dec. 2025
The pump delivers insulin through a tiny tube under the skin called a cannula.
—Dr. Brittany Bruggeman, Boston Herald, 16 Nov. 2025
The cannula has widened the wounds made by the punch.
—Mary Roach, Wired News, 10 Nov. 2025
See All Example Sentences for cannula
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Dhruv Khullar, New Yorker, 9 Jan. 2026
First the femoral artery line, next the catheter, then the many cannulas, and finally the spinal tap.
—David Freyne, Time, 7 Dec. 2025
The pump delivers insulin through a tiny tube under the skin called a cannula.
—Dr. Brittany Bruggeman, Boston Herald, 16 Nov. 2025
The cannula has widened the wounds made by the punch.
—Mary Roach, Wired News, 10 Nov. 2025
See All Example Sentences for cannula
Cite this Entry
“Cannula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cannula. Accessed 25 Mar. 2026.
Copy CitationMedical Definition
cannula
noun
can·nu·la
variants
also canula
plural cannulas or cannulae
-ˌlē, -ˌlī
: a small tube for insertion into a body cavity, duct, or vessel
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