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单词 bastard wing
释义

> as lemmas

bastard wing
bastard wing n. [after post-classical Latin ala notha (1676 in the passage translated in quot. 1678, or earlier)] a group of (typically) three or four small quill feathers on the first digit of a bird's wing, which can be moved independently to control the airflow over the front edge of the wing.Also called alula, winglet.
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the world > animals > birds > parts of or bird defined by > [noun] > wing or wings > bastard-wing
bastard wing1678
alula1772
winglet1862
1678 J. Ray tr. F. Willughby Ornithol. i. 2 All Birds toward the extremity of their Wings have a certain finger-like Appendix, which we are wont to call the Secundary or Bastard Wing [L. alam secundariam aut notham].
1859 C. Darwin Origin of Species xiii. 450 The ‘bastard-wing’ in birds may be safely considered as a digit in a rudimentary state.
1932 Proc. Acad. Nat. Sci. Philadelphia 1931 83 449 Bastard wing blackish, edged all around with white.
2015 tr. W. Nachtigall & A. Wisser Bionics by Examples 144 Birds..often extend the bastard wings during landing.
extracted from bastardn.adj.adv.
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