can·​nu·​la | \ ˈkan-yə-lə How to pronounce cannula (audio) \
plural cannulas or cannulae\ ˈkan-​yə-​ˌlē How to pronounce cannula (audio) , -​ˌlī \

Definition of cannula

: 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 Lopez was bleeding at the cannula sites, as well, and would need a transfusion. Thomas Curwen, Los Angeles Times, 12 Mar. 2021 Engineering Director Isreal Jessop carefully installed a thin tube called a cannula into one of the heart’s valves, which allows the device to deliver a cold oxygenated solution that keeps tissue from degrading. Laura Garcia, San Antonio Express-News, 15 Mar. 2021 The resident worked a shorter cannula into her left side. Thomas Curwen, Los Angeles Times, 12 Mar. 2021 During the operation, the danger occurs at a very precise moment: the insertion of the cannula into the buttock. Carolyn Wells, Longreads, 20 Feb. 2021 Doroshow suggested the patient receive greater oxygen support from a high-flow nasal cannula, which would aerosolize the virus, requiring her to be moved to a private room. Lauren Caruba,, 8 Dec. 2020 In the video, her mother speaks from a hospital bed, a cannula in her nose to deliver oxygen. Dana Branham, Dallas News, 23 Nov. 2020 Doctors typically turn to high flow nasal cannula with hopes of keeping severely ill COVID-19 patients from needing a ventilator, a mechanical breathing machine that is generally considered a last-resort treatment to keep patients alive. Marc Lester, Anchorage Daily News, 28 Aug. 2020 Sitting in the passenger seat of a van, Tammy Mitchem wore a surgical mask across her face over an oxygen cannula. Shari Rudavsky, The Indianapolis Star, 10 July 2020

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

1616, in the meaning defined above

History and Etymology for cannula

New Latin, from Latin, diminutive of canna reed — more at cane

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Time Traveler for cannula

Time Traveler

The first known use of cannula was in 1616

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Cite this Entry

“Cannula.” Dictionary, Merriam-Webster, Accessed 20 Jun. 2021.

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More Definitions for cannula


variants: also canula \ ˈkan-​yə-​lə How to pronounce cannula (audio) \
plural cannulas or cannulae\ -​ˌlē, -​ˌlī How to pronounce cannula (audio) \

Medical Definition of cannula

: a small tube for insertion into a body cavity, duct, or vessel


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