air bag

English Thesaurus

1. a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward (noun.artifact)

hypernym	:	bag,
definition	:	a flexible container with a single opening (noun.artifact)

hypernym	:	constraint, restraint,
definition	:	a device that retards something's motion (noun.artifact)

part meronym	:	auto, automobile, car, machine, motorcar,
definition	:	a motor vehicle with four wheels; usually propelled by an internal combustion engine (noun.artifact)