Air bag
an inflatable plastic bag mounted under the dashboard or on the back of the front seat of a car: it cushions the driver and p-ssengers by inflating automatically in the event of collision.
historical examples
further, by compressing the air inside the air bag, the rate of ascent or descent could be regulated.
a history of aeronautics e. charles vivian
noun
a safety device in a car, consisting of a bag that inflates automatically in an accident and prevents the p-ssengers from being thrown forwards
one of a number of large inflatable bags comprising part of a sp-cecraft’s landing system, enabling the craft to come to rest through a series of bounces
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