Axillary

Origin

Alteration by association with -ary of the French axillaire ("of the axilla"), itself an alteration of the earlier forms aisselliere and aissellaire, both from the assumed Latin etymon *axillāris, from axilla ("armpit"), diminutive form of the assumed *axula.

Full definition of axillary

Adjective

1. Of or pertaining to the axilla or armpit; as, axillary gland, artery, nerve.
2. (botany) Situated in, or rising from, an axil; of or pertaining to an axil.

Derived terms

• axillary hair
• axillary vein