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.
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
air bag in American English
US
a bag of nylon, plastic, etc. in a passenger restraint system that inflates instantly within an automobile at the impact of a collision, to protect riders from being thrown forward
: often written ˈairˌbag
air bag in Automotive Engineering
(ɛər bæg)
Word forms: (regular plural) air bags
noun
(Automotive engineering: Vehicle components, Bodywork, controls, and accessories)
An air bag is a safety device in a car that automatically fills with air if the car crashes, and is designed to protect the people in the car whenthey are thrown forward in the crash.
COLLOCATIONS: passenger side ~driver's side ~driver's ~
Research shows that seat belts prevent more deaths than air bags in road accidents.
Children under age 12 should not ride in the front seat of vehicles equipped withair bags.
Standard equipment includes driver and passenger air bags.