air bag

1. 1.

   a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward

   Broaderbagrestraint

   Part ofcar

Questions about air bag

What does air bag mean?

air bag means "a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward".

Is air bag a common word?

air bag is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.