The meaning of LOCK is a fastening (as for a door) operated by a key or a combination. How to use lock in a sentence.

In more complex mechanical lock/key systems, two different keys, one of which is known as the master key, serve to open the lock. Common metals include brass, plated brass, nickel silver, …

LOCK definition: 1. a device that prevents something such as a door from being opened and can only be opened with a…. Learn more.

Lock definition: a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …

Price and other details may vary based on product size and color. TSA Approved Cable Luggage Locks, Re-settable Combination with Alloy Body, Black 2 Locks.

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Oct 27, 2025 · We tested 7 keyless door locks. The Eufy Smart Lock C33 excelled with its fingerprint reader, easy setup, and reliable daily performance.

Master Lock is recognized around the world as the authentic, enduring name in locks, combination padlocks and security products. Learn more about our extensive assortment of …

Shop secure smart locks, door locks, door knobs, door levers, and handlesets from Schlage. Find the right lock for your exterior and interior doors here.

Shop Best Buy for smart locks. Manage home security remotely from your phone with smart locksets. Find keypad door locks in stores & online for your entryways.