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.

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 with set …

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

From door lock accessories like spare strike plates, lockout devices, or decorative knobs to state-of-the-art commercial door lock sets, we've got it. Make your front door locks secure, beautiful, and functional.

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 security solutions.

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

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 …