Bās'tard-wīng, n.
n. (Ornith.) Three, four, or five quill-like feathers, placed on a small joint, rising from the middle part of the wing, and corresponding to the thumb in some mammalia.
n. (Ornith.) Three, four, or five quill-like feathers, placed on a small joint, rising from the middle part of the wing, and corresponding to the thumb in some mammalia.