Definition of axilla in English:


Syllabification: ax·il·la
Pronunciation: /akˈsilə

noun (plural axillae /akˈsilē/)

  • 1The space below the shoulder through which vessels and nerves enter and leave the upper arm; a person’s armpit.
    More 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.
    More 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'.

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a slit made by cutting with a saw