Definition, Meaning & Synonyms
double-lock
noun
/ˈdʌb.əl.lɒk/

Definition
A locking mechanism that requires two separate actions or keys to secure it.

Examples
- To ensure maximum security, she decided to double-lock the front door before going to bed.
- The vault was equipped with a double-lock system to protect against unauthorized access.
- Make sure to double-lock the bike when leaving it unattended in the city.

Meaning
Double-lock refers to a security feature that enhances the safety of an object, typically a door or a safe, by requiring two locks to be engaged before it can be opened or closed.

Synonyms
- two-lock system
- dual lock
- double security