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1. A safety device installed in cars that deploys by rapidly inflating to protect the head and provide rollover protection.
   "Curtain airbags have been said to reduce brain injury or fatalities by up to 45% in a side impact with an SUV.";
   - side curtain airbag

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

Derived forms: air bags

Type of: air cushion, bag, constraint, inflatable cushion, restraint

Part of: auto [informal], autocar [archaic], automobile [N. Amer], car, motorcar, wheel [informal], whip [US, informal]

Encyclopedia: Curtain airbag