What is the meaning of breath?

noun

• The process of taking in and expelling air during breathing.
  • usage: "he took a deep breath and dived into the pool"; "he was fighting to his last breath"
• The air that is inhaled and exhaled in respiration.
  • usage: "his sour breath offended her"
• A short respite.
  • synonyms: breather, breathing place, breathing space, breathing spell, breathing time
• An indirect suggestion.
  • usage: "not a breath of scandal ever touched her"
  • synonyms: hint, intimation
• A slight movement of the air.
  • usage: "there wasn't a breath of air in the room"