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.

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, …

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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 and relatives.

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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Jul 11, 2025 · The best smart locks can make your home more secure but also save you time and provide peace of mind. We tested more than a dozen smart locks to find the best.

Oct 17, 2024 · In this detailed guide, we'll examine the 14 different types of locks, looking into their unique characteristics, applications, and security each type offers. We cover everything from the …

Define lock. lock synonyms, lock pronunciation, lock translation, English dictionary definition of lock. n. 1. A device operated by a key, combination, or keycard and used, as on a door, for holding, closing, or …