- plural form of axilla
Your armpit is an axillae.
The axillae is defined as the armpit area, or the space below your shoulder where the vessels and nerves go into your upper arm.
Your armpit is an example of axillae.
- They are both reddish yellow and brownish black (according to individual variation) in skin colour, with head hair often tending to russet, and body hair of two kinds - black and bristly on the upper lip, chin, chest, axillae and pubes; and yellowish and fleecy on the cheeks, back and limbs.