Origin of axilla
Latin, diminutive of ala wing, upper arm, armpit, axil — more at aisle
First Known Use: 1616
Medical Definition of axilla
plural ax·il·lae \-(ˌ)ē, -ˌī\play or ax·il·las
: the cavity beneath the junction of the arm or anterior appendage and shoulder or pectoral girdle containing the axillary artery and vein, a part of the brachial plexus of nerves, many lymph nodes, and fat and areolar tissue; especially : armpit
Seen and Heard
What made you want to look up axilla? Please tell us where you read or heard it (including the quote, if possible).