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Any of the comparatively large, stiff feathers of a bird's wing or tail that are necessary for flight.
(Zoology) any of the large stiff feathers that cover the wings and tail of a bird and are adapted for flying
one of the large stiff feathers of the wing and tail of a bird that are essential to flight.
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|Noun||1.||flight feather - any of the larger wing or tail feathers of a bird|
feather, plumage, plume - the light horny waterproof structure forming the external covering of birds
wing - a movable organ for flying (one of a pair)
primary feather, primary quill, primary - one of the main flight feathers projecting along the outer edge of a bird's wing
tail feather - feather growing from the tail (uropygium) of a bird