from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. An automotive passive restraint consisting of a bag that is designed to inflate upon collision and prevent passengers from pitching forward.
  • n. A large inflatable bag made of strong rubber, used by rescue workers to lift a vehicle or heavy machinery or debris that has fallen upon or otherwise trapped a victim.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A car safety device that deploys when a road vehicle gets in an accident.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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


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