What is the meaning of airing?

noun

• The opening of a subject to widespread discussion and debate.
  • synonyms: dissemination, public exposure, spreading
• A short excursion (a walk or ride) in the open air.
  • usage: "he took the dogs for an airing"
• The act of supplying fresh air and getting rid of foul air.
  • synonyms: ventilation

verb

• Expose to fresh air.
  • usage: "aerate your old sneakers"
  • synonyms: air out, air, aerate
• Be broadcast.
  • usage: "This show will air Saturdays at 2 P. M."
  • synonyms: air
• Broadcast over the airwaves, as in radio or television.
  • usage: "We cannot air this X-rated song"
  • synonyms: air, send, broadcast, beam, transmit
• Make public.
  • usage: "She aired her opinions on welfare"
  • synonyms: publicize, publicise, air, bare
• Expose to warm or heated air, so as to dry.
  • usage: "Air linen"
  • synonyms: air
• Expose to cool or cold air so as to cool or freshen.
  • usage: "air the old winter clothes"; "air out the smoke-filled rooms"
  • synonyms: vent, ventilate, air out, air