Added 10 October 2026
airbag
noun
noun Definition from Wiktionary (CC BY-SA). More about airbag at Wordnik → Where our words come from →
- A protective system in automobiles in which when a crash occurs, a bag containing nitrogen, formed by the explosive decomposition of sodium azide, quickly inflates in front of the driver or passenger, preventing injury to the head. Side air bags, including the back seat passengers, also prevent injury.
- A similar inflated bag used in performing stunts, or for lifting objects in firefighting, etc.
- A person who talks too much; a windbag or gossip.