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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A heavy-duty combination lock or a padlock can secure outdoor storage, fences, self-storage units or lockers, keeping your belongings safe. When purchasing a combination lock, choose one …

lock (something) in or lock in (something) : to do something that makes you sure to get (something that could change, such as a good price, an interest rate, etc.)

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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Oct 17, 2024 · Locks are the first line of defense for your home's security. Read our guide to learn about the most effective locks and how to install them.

Simply walk up to your door, and your door unlocks, all without you lifting your hand. Dual infrared sensors ensure it works in any lighting conditions, even at night. Lockly TapCom™ lets you …

Dec 9, 2025 · After 40 hours of research and interviews with locksmiths and security experts, the Schlage B60N deadbolt is the best door lock for most homes.

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …