Definition of: wing

(wing) noun
1. An organ of flight; specifically, one of the anterior movable pair of appendages of a bird or bat, homologous with the forelimbs of vertebrates but adapted for flight.
2. An analogous organ in insects and some other animals.
3. One of the pectoral fins of a flying fish.
4. Slang An arm; specifically, in baseball, the arm used for throwing or pitching.
5. Something regarded as conferring the power of swift motion or performing some function of a wing: on wings of song.
6. Flight or passage by or as by wings; also, the means or act of flying: to take wing.
7. Anything resembling or suggestive of a wing in form, function, or appearance; specifically, one of a pair of pneumatic devices for aid in swimming; a shoulder ornament.
8. The flare of a moldboard plowshare; also, the curved mudguard or fender of an automobile.
9. Something moved by or moving in the wind, as the vane of a windmill or a winnowing fan.
10. Mil. Either division of a military force on either side of the center.
11. An analogous formation in certain outdoor games, as hockey or football.
12. Either of two extremist groups or factions in a political or other organization: the left wing.
13. Archit. A part attached to a side; especially, a projection or extension of a building on the side of the main portion.
14. A sidepiece at the top of an armchair.
15. A side section of something that shuts or folds, as a double door, a screen, etc.
16. In fortifications, one of the sides connecting an outwork with the main fort.
17. Anat. An ala: a wing of the nose.
18. Bot. Any thin membranous or foliaceous expansion of an organ, as of certain stems, seeds, samaras, etc.
19. Zool. One of the lateral finlike expansions of the foot of a pteropod.
20. One of the sides of a stage; a small platform at either side of the stage; also, a piece of scenery for the side.
21. Aeron. One of the sustaining surfaces of an airplane.
22. A tactical and administrative unit of the U.S. Air Force, under the direction of a wing commander, larger than a group and smaller than a command.
23. A shore dam or jetty for narrowing a channel; also, an extension of a dam at either end, usually built at an angle.
—on (or upon) the wing In flight; as, a bird on the wing; hence, just about to go; departing; also, journeying.
—to take wing To fly away.
—under one's wing Under one's protection.
—v.t.
1. To pass over or through in flight.
2. To accomplish by flying: the eagle winged its way.
3. To enable to fly.
4. To cause to go swiftly; speed: Hope winged his steps.
5. To transport by flight.
6. To provide with wings for flight; also, to feather (an arrow).
7. To supply with a side body or part: The house was winged on both sides.
8. To wound (a bird) in a wing; hence, to disable by a minor wound: I winged him in the arm.
—v.i.
9. To fly; soar. [<ON vœngr]