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axilla

American  
[ak-sil-uh] / ækˈsɪl ə /

noun

plural

axillae

  1. Anatomy. the armpit.

  2. Ornithology. the corresponding region under the wing of a bird.

  3. Botany. an axil.

axilla British  
/ ækˈsɪlə /

noun

  1. the technical name for the armpit

  2. the area on the undersurface of a bird's wing corresponding to the armpit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of axilla

Borrowed into English from Latin around 1610–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Leaf and stem of Horse-chestnut, showing axil Axil, or Axilla, in botany, the angle between the upper side of a leaf and the stem or branch from which it springs.

From The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis by Various

Mass of Tuberculous Glands removed from Axilla 333 79.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.