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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, …

Solve many security issues with the right lock. A heavy-duty combination lock or a padlock can secure outdoor storage, fences, self-storage units or lockers, keeping your belongings safe.

Lock a wheel to prevent forklifts, tuggers, and other vehicles from moving. Enter a code to operate electromagnetic locks, electric door strikes, and other access controls. Replace or cut new keys for …

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