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.

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 …

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …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

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

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Check each product page for other buying options. Price and other details may vary based on product size and color.

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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 …

Take our quiz to find the perfect Yale Assure Lock® 2 that fits into your life and complements your favorite door style, paint colors, and matching door hardware.