What is "axillar"

Axillar \Ax"il*lar\ ([a^]ks*[i^]l"l[~e]r), a. Axillary.

a. 1 Of or pertaining to the axilla or armpit; as, axillary lymph node, artery, or nerve. 2 (context botany rare English) (alternative form of axillary English) n. (''plural'') feathers connecting the under surface of the wing and the body, and concealed by the closed wing.