verb

• To replace stale or noxious air with fresh.
• To circulate air through a building, etc.
• To provide with a vent.
• To expose something to the circulation of fresh air.
• To expose something to public examination or discussion.
• (transitive, medicine) To provide manual or mechanical breathing to (a patient).
• (intransitive, medicine) To breathe.
• (slang) To shoot with a firearm; to pierce with bullets.