safety lock

American  

noun

1. a lock designed to prevent picking.

2. safety.

---

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

Modifications include a safety lock to prevent the premature initiation of the feathering system that downed Voyager.

From The Guardian • Apr. 10, 2016

If the pistol is to be kept in the hand and not to be fired at once, engage the safety lock with the thumb of the right hand.

From Manual for Noncommissioned Officers and Privates of Infantry of the Army of the United States, 1917 To be used by Engineer companies (dismounted) and Coast Artillery companies for Infantry instruction and training by United States War Department