safety catch

American  

noun

1. a device used in mechanisms, as for elevators, to prevent falling in the event of mechanical failure.

2. safety.

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safety catch British  

noun

1. a device to prevent the accidental operation of a mechanism, e.g. in a firearm or lift

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Etymology

Origin of safety catch

First recorded in 1875–80

Example Sentences

He was armed with a powerful crossbow with the safety catch off that was capable of firing bolts with "lethal" effect, the Old Bailey was told.

From BBC

The officers discovered that Mr. Chail was carrying a crossbow, loaded with a bolt with the safety catch off.

From New York Times

“Thumb on the safety catch as you walk, so you can release immediately if something happens!”

From New York Times

Prosecutors allege the former supermarket worker from Southampton in southern England was wearing a hood and a mask and carrying a loaded crossbow with the safety catch off.

From Seattle Times

This included the guard "handover drill" and checking the safety catch of the machine gun, the lawyer said.

From BBC