plural axillae
ag-ˈzi-(ˌ)lē 
-ˌlī
or axillas
: the cavity beneath the junction of a forelimb and the body
especially
: armpit
Examples of axilla in a Sentence
Recent Examples on the Web
Your axilla is basically your armpit.
—
Bruce Y. Lee, Forbes, 3 Mar. 2021
The odor from the axilla corresponding to the dominant side (left) was rated more masculine and more intense than the other side (right).
—Ncbi Rofl, Discover Magazine, 16 Dec. 2010
The odor samples were collected from the axilla of male donors not involved in the main experiment.
—Seriously Science, Discover Magazine, 2 Nov. 2017
For this reason, Dr. Green suggests patients repeat the Botox axilla treatment every six months to maintain the effects.
—Danielle Sinay, Glamour, 19 Sep. 2022
The vaccine may enlarge the lymph nodes in the axilla, or armpit, according to Parkinson.
—Becky Jacobs, The Salt Lake Tribune, 19 Dec. 2021
In one woman, the swelling would be seen only in the left axilla.
—Melissa Healy, Los Angeles Times, 12 May 2021
After all, the vaccine is supposed to elicit an immune response and typically injected into your upper arm, which is close to your axilla.
—Bruce Y. Lee, Forbes, 3 Mar. 2021
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Bruce Y. Lee, Forbes, 3 Mar. 2021
The odor from the axilla corresponding to the dominant side (left) was rated more masculine and more intense than the other side (right).
—Ncbi Rofl, Discover Magazine, 16 Dec. 2010
The odor samples were collected from the axilla of male donors not involved in the main experiment.
—Seriously Science, Discover Magazine, 2 Nov. 2017
For this reason, Dr. Green suggests patients repeat the Botox axilla treatment every six months to maintain the effects.
—Danielle Sinay, Glamour, 19 Sep. 2022
The vaccine may enlarge the lymph nodes in the axilla, or armpit, according to Parkinson.
—Becky Jacobs, The Salt Lake Tribune, 19 Dec. 2021
In one woman, the swelling would be seen only in the left axilla.
—Melissa Healy, Los Angeles Times, 12 May 2021
After all, the vaccine is supposed to elicit an immune response and typically injected into your upper arm, which is close to your axilla.
—Bruce Y. Lee, Forbes, 3 Mar. 2021
Cite this Entry
“Axilla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/axilla. Accessed 4 Jul. 2025.
Copy CitationMedical Definition
plural axillae
-(ˌ)ē, -ˌī
or axillas
or axillas
: the cavity beneath the junction of the arm or anterior appendage and shoulder or shoulder girdle containing the axillary artery and vein, a part of the brachial plexus of nerves, many lymph nodes, and fat and areolar tissue
especially
: armpit
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