bastard wing
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
?Note: This page may contain content that is offensive or inappropriate for some readers.
bastard wing
that part of the wing of a bird attached to the thumb of the forelimb.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005