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.

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …

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, …

Find the best smart lock for your home, ensure your doors are locked by checking an app, and stop worrying about it. You can also use a code or fingerprint for entry or remotely let in friends …

These smart locks make it easy to bring your door online and manage it from anywhere. After testing the best smart locks on the market, these are my favorites.

Find electronic door locks at Lowe's today. Shop electronic door locks and a variety of hardware products online at Lowes.com.

Take your security to the next level with dependable door hardware from Ace. Shop reliable door knobs and locks, deadbolts and electronic locking systems.

2 days ago · We tested top door locks from brands like Yale, Schlage, and Kwikset to find the most secure and stylish ones that protect your home, including deadbolts, keypads, and smart …

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 …