noun

• (zootomy) An appendage of an animal's (bird, bat, insect) body that enables it to fly.
  "The bird was flapping its wings"
• (slang) Human arm.
• (aviation) Part of an aircraft that produces the lift for rising into the air.
  "I took my seat on the plane, overlooking the wing."
• (botany) Any membranaceous expansion, such as that along the sides of certain stems, or one of the bracts on a dragon fruit, or of a fruit of the kind called samara.

verb

• (transitive) To injure slightly (as with a gunshot), especially in the wing or arm.
• (intransitive) To fly.
  "Breezes blowing from beds of iris quickened her breath with their perfume; she saw the tufted lilacs sway in the wind, and the streamers of mauve-tinted wistaria swinging, all a-glisten with golden bees; she saw a crimson cardinal winging through the foliage, and amorous tanagers flashing like scarlet flames athwart the pines."
• (transitive, of a building) To add a wing (extra part) to.
• (transitive) To act or speak extemporaneously; to improvise; to wing it.
  "I lost all my notes I'd made, so was partially winging the meeting."