axilla
Concise Oxford English Dictionary © 2008 Oxford University Press:
axilla /akˈsɪlə/
▶noun (pl. axillae /-liː/)
- 1 Anatomy an armpit, or the corresponding part in a bird or other animal.
- 2 Botany an axil.
– derivatives
axillary adjective.
axillary adjective.
– origin C17: from L., dimin. of ala ‘wing’.
'axilla' also found in these Oxford entries:

