axillar

noun

ax·​il·​lar ag-ˈzi-lər  ak-ˈsi-  ˈag-zə-  ˈak-sə- 

-ˌlär

: an axillary part (such as a feather)

Word History

Etymology

noun derivative of axillar "axillary," adjective, from axilla + -ar

First Known Use

1541, in the meaning defined above