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axilla Syllabification: ax·il·la
Pronunciation: /akˈsilə/

Definition of axilla in English:

noun (plural axillaeakˈsilē)

1The space below the shoulder through which vessels and nerves enter and leave the upper arm; a person’s armpit.
Example sentences
  • The T2 nerve root controls the palms on either side and the T4 nerve root controls the axilla and armpit.
  • A holosystolic murmur that may radiate to the axilla, the upper sternal borders or the subscapular region is apparent on physical examination.
  • Extremities showed tenderness over the right shoulder and axilla.
1.1 Botany An axil.
Example sentences
  • Basal branches emerged from lower axillas and developed earlier.
  • In coconut palms, egg-laying occurs at the axillas of the leaves.


Early 17th century: from Latin, diminutive of ala 'wing'.

Definition of axilla in:
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