Meaning

• The substance constituting earth's atmosphere, particularly:

  "I'm going outside to get some air."

• (usually with the) The apparently open space above the ground which this substance fills, formerly thought to be limited by the firmament but now considered to be surrounded by the near vacuum of outer space.

  "The flock of birds took to the air."

• A breeze; a gentle wind.

• A feeling or sense.

  "to give it an air of artistry and sophistication"

• A sense of poise, graciousness, or quality.

• (usually in the plural) Pretension; snobbishness; pretence that one is better than others.

  "putting on airs"

• A song, especially a solo; an aria.

• Nothing; absence of anything.

• An air conditioner or the processed air it produces.

  "Could you turn on the air?"

• Any specific gas.

• (motor sports) A jump in which one becomes airborne.

• A television or radio signal.

• Publicity.

Meaning

• To bring (something) into contact with the air, so as to freshen or dry it.

• To let fresh air into a room or a building, to ventilate.

• To discuss varying viewpoints on a given topic.

• To broadcast (a television show etc.).

• To be broadcast.

  "This game show first aired in the 1990s and is still going today."

• To ignore.