plural of crash helmet

A helmet worn by motorcyclists worn to protect the head in case of an accident.

A device used to produce a crashing sound in a theatrical production, typically a large crate containing breakable materials. / A black box (flight data recorder). / A crash gearbox.

plural of crash box

(informal) To fall asleep from exhaustion. / (informal, computing) To terminate with an unhandled error; to crash. Also used in relation to the UK's exit of the European Union.

(automotive, informal) A transmission with a sliding mesh, used in older vehicles; gear changes are often accompanied by loud noises.

A cymbal that produces a loud, sharp crash, used for occasional accents.

(UK, emergency medicine) crash cart

(informal, emergency medicine) A portable set of trays, drawers and shelves containing equipment and medication used in a medical emergency

(computing) A collision of the head of a hard drive with the platter, resulting in permanent damage to the hard drive.