ax·​il·​lary | \ ˈak-sə-ˌler-ē How to pronounce axillary (audio) , -ˌle-rē \

Definition of axillary

 (Entry 1 of 2)

1 : of, relating to, or located near the axilla
2 : situated in or growing from an axil axillary buds


plural axillaries

Definition of axillary (Entry 2 of 2)

: one of the feathers arising from the axilla and closing the space between the flight feathers and body of a flying bird

Examples of axillary in a Sentence

Recent Examples on the Web: Adjective Oberg first had surgery in 2016 after being diagnosed with axillary artery thrombosis., "How Rockies pitcher Scott Oberg, a Tewksbury native, is dealing with his latest setback," 3 Apr. 2021 Instead, there are now five different types of thermometers: rectal, oral, axillary (armpit), temporal (forehead) and tympanic (remote ear) that can display a reading in seconds on a digital display. Jennifer Yellin, CNN Underscored, "The best thermometers of 2021," 17 Mar. 2021 Another potential cause of axillary adenopathy is a leaking silicone breast implant. Bruce Y. Lee, Forbes, "Can This Covid-19 Coronavirus Vaccine Side Effect Be Mistaken For Cancer?," 3 Mar. 2021 Hey, Paul: Williams revealed in December that his shoulder injury involves damage to the axillary nerve, which helps control the deltoid muscles of the shoulder and the skin around it. cleveland, "How close are the Browns to getting to the Super Bowl? Hey, Mary Kay!," 7 Feb. 2021 The Civil War records could have included a mixture of axillary and oral temperatures taken with mercury thermometers—the researcher couldn’t tell for sure. Jo Craven Mcginty, WSJ, "98.6 Degrees Fahrenheit Isn’t the Average Anymore," 17 Jan. 2020 Wunderlich preferred the axillary method but used a thermometer that was calibrated higher than normal, according to Dr. Mackowiak, who critiqued the work in the Journal of the American Medicine Association in 1992. Jo Craven Mcginty, WSJ, "98.6 Degrees Fahrenheit Isn’t the Average Anymore," 17 Jan. 2020 The Food and Drug Administration approved the Menlo Park company’s first therapy, a medicated cloth to topically treat primary axillary hyperhidrosis, or excessive underarm sweating, last year. Shari Rudavsky, Indianapolis Star, "Eli Lilly and Company pays $1.1B for company that has drug to treat eczema in pipeline," 10 Jan. 2020 In very rare cases the axillary or radial nerves in the upper arm could be injured. Leah Groth,, "What You Need to Know About SIRVA, a Rare Side Effect of the Flu Shot," 8 Nov. 2019

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


1615, in the meaning defined at sense 1


1842, in the meaning defined above

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Time Traveler for axillary

Time Traveler

The first known use of axillary was in 1615

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Last Updated

9 Apr 2021

Cite this Entry

“Axillary.” Dictionary, Merriam-Webster, Accessed 9 May. 2021.

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More Definitions for axillary


ax·​il·​lary | \ ˈak-sə-ˌler-ē How to pronounce axillary (audio) \

Medical Definition of axillary

: of, relating to, or located near the axilla axillary lymph nodes axillary temperature

More from Merriam-Webster on axillary

Nglish: Translation of axillary for Spanish Speakers

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