IPA: //ˈæksɪlə//
KK: /ˈæksɪlə/
The area under the arm where it meets the body, commonly known as the armpit.
She applied deodorant to her axilla before going out.
Axilla → It originates from Latin 'axilla' (meaning armpit or the hollow of the arm). The word refers specifically to the anatomical area under the joint where the arm connects to the shoulder.
Think of the Latin word 'axilla' which means armpit — this helps you remember that 'axilla' refers to that specific area under the arm.