locking mechanism

Bolt and tumbler

A locking mechanism is any device that secures something in place or prevents unauthorized access.

The term covers everything from door locks and padlocks to the catches that hold a seatbelt or the system that keeps a safe closed.

The locking mechanism on the gate had rusted shut.

In figurative use, it can describe any feature that prevents change or ensures commitment: The contract includes a locking mechanism that keeps prices fixed for three years.

Related

latch · cylinder · hasp · key · master key · key card · strike plate · shackle · handle · combination · pick · chain · pin · engage · release · clasp · turn · vault

Categories
Opposites
access function

locking mechanismrelease mechanism

Device that unlocks restraint

quick-release · door opener · open access · open door · free entry

movement type

locking mechanismhinge

Movable connecting joint

pivot · swivel · rotating joint · ball joint

access philosophy

locking mechanismopen-door policy

Unrestricted access principle

free access · welcome mat · public access · open architecture

Family

lock, mechanism

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G