safety lock

American  

noun

1. a lock designed to prevent picking.

2. safety.

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Etymology

Origin of safety lock

First recorded in 1875–80

Example Sentences

In a way, made-to-measure is like the child safety lock on a car door.

From Los Angeles Times • Oct. 9, 2024

Goodson fell into his grandmother’s kitchen and his gun was found on the kitchen floor with the safety lock engaged, prosecutors said.

From Seattle Times • Feb. 13, 2024

And "No one shall be issued a firearm until he or she is trained in safe handling, safe use, the safety lock, and proper firing procedures."

From Fox News • Nov. 3, 2021

But it’s essentially the same as the one that crashed, with a few minor alterations, including a safety lock to prevent the premature initiation of the feathering system that led to the crash.

From The Guardian • Apr. 10, 2016

The iron door and patent safety lock of his own prison house, recently arranged for by Mr. Stennis—he remembered the transaction—was, of course, beyond him.

From Deep Moat Grange by Crockett, S. R. (Samuel Rutherford)