Bastard-wing synonyms

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A small joint in the middle of a bird's wing, homologous with the thumb and bearing three or four quill-like feathers.
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tuft of small stiff feathers on the first digit of a bird's wing
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Find another word for bastard-wing. In this page you can discover 2 synonyms, antonyms, idiomatic expressions, and related words for bastard-wing, like: alula and spurious wing.