wing: see airfoil airfoil, surface designed to develop a desired force by reaction with a fluid, especially air, that is flowing across the surface. For example, the fixed wing surfaces of an airplane produce lift, which opposes gravity.
..... Click the link for more information. ; airplane airplane, aeroplane, or aircraft, heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight through the dynamic action of the air.
..... Click the link for more information. ; flight flight, sustained, self-powered motion through the air, as accomplished by an animal, aircraft, or rocket.

Animal Flight

Adaptation for flight is highly developed in birds and insects .
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wing

In zoology, one of the paired structures certain animals use for flying. Bat and bird wings are modifications of the vertebrate forelimb. In birds, the fingers are reduced and the forearm is lengthened. The primary flight feathers propel the bird forward, and the secondaries (on the upper wing) provide lift. Bat wings consist of a membrane stretched over slender, elongated arm and hand bones. Insect wings are folds of integument (“skin”). Most insects have two pairs of wings; dipterans (flies) have only one developed pair, and beetles have two but use only one for flying. The two wings on a side usually move together, but dragonfly wings work independently.

(WINdows Games) A programming interface (API) that lets Windows application developers access the video frame buffer directly. It allows game programs to be written to run as fast in Windows as they do under DOS.

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Animal Flight

wing

wing
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