axilla
/akˈsɪlə
/noun (plural axillae /akˈsɪliː/)
1 Anatomy An armpit, or the corresponding part in a bird or other animal.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.
2 Botany An axil.Basal branches emerged from lower axillas and developed earlier....
- In coconut palms, egg-laying occurs at the axillas of the leaves.
Origin
Early 17th century: from Latin, diminutive of ala 'wing'.