Axillaries \Ax"il*la*ries\ ([a^]ks"[i^]l*l[asl]*r[i^]z), Axillars \Ax"il*lars\ ([a^]ks"[i^]l*l[~e]rz), n. pl. (Zool.) Feathers connecting the under surface of the wing and the body, and concealed by the closed wing. [1913 Webster]