contour feather(redirected from Contour feathers)
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contour feather[′kän‚tu̇r ‚feth·ər]
Any of the large flight feathers or long tail feathers of a bird. Also known as penna; vane feather.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.