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

Excessive sweating, also known asprimary axillary hyperhidrosis, impacts over 10 million Americans, according to Dermira, the maker of Qbrexza. Brittany Shoot, Fortune, "FDA Approves Qbrexza, the First-Ever Prescription Treatment for Excessive Sweating," 2 July 2018 The product offers a subtle solution to the millions of people who suffer from primary focal axillary hyperhidrosis, or excessive underarm sweating, which is currently often treated with Botox and other more invasive options. Jamie Ducharme, Time, "The FDA Approved a Topical Treatment for Excessive Underarm Sweating," 30 June 2018 The test, called Oncotype DX, is designed for women with the most common type of breast cancer, which accounts for half of all breast cancer cases in the US: hormone receptor-positive, HER2-negative, and axillary node-negative cancer. Julia Belluz, Vox, "Many breast cancer patients don’t need chemo, a precision medicine study just found," 5 June 2018 The removal of 28 of my axillary lymph nodes means that every few days, excess fluid collects in my arm, causing it to turn pitted and spongy until my hand swells up like a Mickey Mouse glove. Sascha Cohen, SELF, "I Felt Like I Deserved My Breast Cancer," 17 May 2018 Last season, doctors diagnosed Oberg, 26, with axillary artery thrombosis (blood clots) in his right arm and shoulder. Patrick Saunders, The Denver Post, "Scott Oberg, back from blood clot scare, in the mix for Rockies’ bullpen," 13 Feb. 2017

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.

See More

First Known Use of axillary


1615, in the meaning defined at sense 1


1842, in the meaning defined above

Keep scrolling for more

Learn More about axillary

Dictionary Entries near axillary





axillary scale



Statistics for axillary

Look-up Popularity

Time Traveler for axillary

The first known use of axillary was in 1615

See more words from the same year

Keep scrolling for more

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

Rhyming Dictionary: Words that rhyme with axillary

Nglish: Translation of axillary for Spanish Speakers

Comments on axillary

What made you want to look up axillary? Please tell us where you read or heard it (including the quote, if possible).


food or victuals

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!