[ ak-sil-uh ]
/ ækˈsɪl ə /

noun, plural ax·il·lae [ak-sil-ee] /ækˈsɪl i/.

Anatomy. the armpit.
Ornithology. the corresponding region under the wing of a bird.
Botany. an axil.

Origin of axilla

Borrowed into English from Latin around 1610–20 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for axillae

British Dictionary definitions for axillae

/ (ækˈsɪlə) /

noun plural -lae (-liː)

the technical name for the armpit
the area on the undersurface of a bird's wing corresponding to the armpit

Word Origin for axilla

C17: from Latin: 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

Medicine definitions for axillae

[ ăk-sĭlə ]

n. pl. ax•il•lae (-sĭlē)

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.