n.1. a. One of a pair of movable appendages used for flying, as the feather-covered modified forelimb of a bird or the skin-covered modified forelimb of a bat or pterosaur.
b. One of the one or two pairs of membranous structures used for flying that extend from the thorax of an insect.
c. A structure or part used by an animal for gliding through the air, as the folds of skin of a flying squirrel or the enlarged pectoral fins of a flying fish.
d. wings An outspread pair of stylized bird's wings worn as insignia by qualified pilots or air crew members.
2. An airfoil whose principal function is providing lift, especially either of two such airfoils symmetrically positioned on each side of the fuselage of an aircraft.
3. Botany a. A thin or membranous extension, as of the fruit of a maple or ash, the seed of a pine, or the branches of a winged elm.
b. One of the lateral petals of the flower of certain plants in the pea family, such as the sweet pea.
4. Something that resembles a wing in appearance or function, especially:
a. The vane of a weathervane.
b. The sail of a ship.
c. A folding section, as of a double door or of a movable partition.
d. Either of the two side projections on the back of a wing chair.
e. A flat of theatrical scenery projecting onto the stage from the side.
f. Chiefly British The fender of a motor vehicle.
5. a. A structure that forms an extended part of or is attached to a main structure: the east wing of the school; the children's wing of the hospital.
b. Either of the unseen backstage areas on the sides of the stage of a proscenium theater.
6. a. The act or manner of flying.
b. A means of flight or rapid movement: Fear lent wings to his feet.
7. a. A group affiliated with or subordinate to an older or larger organization.
b. Either of two groups with opposing views within a larger group; a faction.
c. A section of a party, legislature, or community holding distinct, especially dissenting, political views: the conservative wing.
8. a. Either the left or right flank of an army or a naval fleet.
b. An air force unit larger than a group but smaller than a numbered air force or, formerly, than a division.
9. Sports a. Either of the forward positions near the sides of the playing area, especially in hockey.
b. A player who plays this position.