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Related to air bag: Air bed
1. (Automotive Engineering) a safety device in a car, consisting of a bag that inflates automatically in an accident and prevents the passengers from being thrown forwards
2. (Astronautics) one of a number of large inflatable bags comprising part of a spacecraft's landing system, enabling the craft to come to rest through a series of bounces
an inflatable plastic bag mounted in the passenger compartment of a motor vehicle: it cushions the driver and passengers by inflating automatically in the event of a collision.
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|Noun||1.||air bag - a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward|
bag - a flexible container with a single opening; "he stuffed his laundry into a large bag"
auto, automobile, car, motorcar, machine - a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work"