Secure your space with our top-rated locks. Find keyless entry door locks, weatherproof combination padlocks, and specialized locks for a variety of uses.

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 …

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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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 …

LOCK definition: 1. a device that prevents something such as a door from being opened and can only be opened with a…. Learn more.

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a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a …

Dec 9, 2025 · A smart lock lets you go key-free and know whenever someone comes and goes. Our pick, the Schlage Arrive Smart WiFi Deadbolt, is sturdy, simple, and reliable.

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.)