axilla

[ak-sil-uh] /ækˈsɪl ə/
noun, plural axillae
[ak-sil-ee] /ækˈsɪl i/ (Show IPA)
1.
Anatomy. the armpit.
2.
Ornithology. the corresponding region under the wing of a bird.
3.
Botany. an axil.
Origin
1610-20; < Latin
Examples from the web for axilla
  • On either side of the thorax, from the axilla downward, the flattened external surfaces of the ribs may be defined.
British Dictionary definitions for axilla

axilla

/ækˈsɪlə/
noun (pl) -lae (-liː)
1.
the technical name for the armpit
2.
the area on the undersurface of a bird's wing corresponding to the armpit
Word Origin
C17: from Latin: armpit
axilla in Medicine

axilla ax·il·la (āk-sĭl'ə)
n. pl. ax·il·lae (-sĭl'ē)
See armpit.