D defs.my
Entry 1 sense Webster, 1913

Axillaries

/(ăks"ĭl*lā̇*rĭz)/ · Ax·il·la·ries · IPA
01 n. pl. Feathers connecting the under surface of the wing and the body, and concealed by the closed wing.
  1. 1.
    Feathers connecting the under surface of the wing and the body, and concealed by the closed wing.(Zool.)