Definition

Noun: 1. A lock designed to prevent accidental or unauthorized operation: A safety lock is a mechanism that prevents a device, door, or weapon from being used or opened unintentionally or without authorization. Its primary function is to ensure security and prevent accidents. 2. A bolt that cannot be moved from outside the door or gate: This type of safety lock is a securing bolt or latch that can only be operated from the inside, preventing external entry. 3. A guard consisting of a locking device that prevents a weapon from being fired: Specifically for firearms, a safety lock is a mechanism that blocks the trigger or firing mechanism to prevent accidental discharge.

Usage Examples

• General Security:
  • Always engage the safety lock on the power tool when it is not in use.
  • The new cabinet has a childproof safety lock on the door.
• Door/Gate Security:
  • For added security at night, slide the safety lock on the patio door.
• Firearms:
  • Before cleaning the rifle, ensure the safety lock is in the "on" position.
  • He forgot to disengage the safety lock, so the gun would not fire.

Advanced Usage

• "to be on safety lock": Describes a state where the safety mechanism is engaged and active.
  • The pistol is on safety lock, so it is secure for transport.
• "to engage/disengage the safety lock": The actions of activating or deactivating the safety mechanism.
  • The first rule is to never disengage the safety lock until you are ready to shoot.

Variants and Related Words

• Safety catch (n): A synonym, often used interchangeably, especially for triggers or levers on tools and weapons.
  • Check the safety catch before you start the machine.
• Child lock (n): A specific type of safety lock designed to prevent children from opening containers, doors, or electronic devices.
  • The medicine bottle has a child lock cap.
• Trigger lock (n): A specific device that physically locks a firearm's trigger to prevent pulling.
  • He used a trigger lock for additional security when storing the gun.

Synonyms

• Safety catch: A securing catch or lever.
• Security lock: A lock intended for protection.
• Locking mechanism: A general term for any device that fastens or secures.

Related Phrases

• Safety mechanism: A broader term for any feature designed to prevent accidents.
  • The lawnmower has several built-in safety mechanisms.
• Fail-safe: Designed to return to a safe condition in the event of a failure.
  • The system has a fail-safe that automatically applies the brake.

Noun

1. a bolt that cannot be moved from outside the door or gate
2. guard consisting of a locking device that prevents a weapon from being fired