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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …

Don't want to lock yourself in this way? They owners locked the door and kept watch when we went outside to throw out the garbage. There is a black and white, steel pad lock on it. In other …

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 …

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Fingerprint Door Lock, Keyless Entry Door Lock with APP Control, Smart Locks for Front Door, Deadbolt Lock with 50 User, Auto Lock, IP 66 Waterproof, Easy Installation

Nov 10, 2025 · We evaluate the most popular models, installing and testing them in our homes to help you decide which one to buy. With an outstanding 4.5-star rating and an Editors' Choice …