ax·​il·​la | \ ag-ˈzi-lə How to pronounce axilla (audio) , ak-ˈsi- How to pronounce axilla (audio) \
plural axillae\ ag-​ˈzi-​(ˌ)lē How to pronounce axillae (audio) , -​ˌlī \ or axillas

Definition of axilla

: the cavity beneath the junction of a forelimb and the body especially : armpit

First Known Use of axilla

1616, in the meaning defined above

History and Etymology for axilla

Latin, diminutive of ala wing, upper arm, armpit, axil — more at aisle

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Time Traveler for axilla

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The first known use of axilla was in 1616

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Cite this Entry

“Axilla.” Dictionary, Merriam-Webster, Accessed 11 Jul. 2020.

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More Definitions for axilla


ax·​il·​la | \ ag-ˈzil-ə How to pronounce axilla (audio) , ak-ˈsil- How to pronounce axilla (audio) \
plural axillae\ -​(ˌ)ē, -​ˌī How to pronounce axillae (audio) \ or axillas

Medical Definition of axilla

: 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

More from Merriam-Webster on axilla

Rhyming Dictionary: Words that rhyme with axilla

Nglish: Translation of axilla for Spanish Speakers

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