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.

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …

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.

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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 …