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.

Resembling or characteristic of a crash (in various senses).

Without a crash (sound, collision, computer failure, etc.).

plural of crashdump

(computing) A file holding the contents of memory at the point when a program crashed, possibly useful in debugging.

(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.

(of a vehicle) Resistant to the damaging effects of a collision. / (computing) Resistant to crashes (failure of software programs).