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lock
/läk/
noun
- a mechanism for keeping a door, lid, etc., fastened, typically operated only by a key of a particular form."the key turned firmly in the lock"synonyms: bolt, catch, fastener, clasp, bar, hasp, latch
- a short confined section of a canal or other waterway in which the water level can be changed by the use of gates and sluices, used for raising and lowering vessels between two gates."there was a lock every quarter of a mile"
- a person or thing that is certain to succeed; a certainty."all of this makes him a lock to make the Hall of Fame"
- a mechanism for exploding the charge of a gun.
verb
- fasten or secure (something) with a lock."she closed and locked her desk"synonyms: bolt, fasten, bar, secure, make secure, make fast, seal, padlock, latch, chain
- restrict access to the full functionality or data of (a computer, mobile phone, file, etc.), especially by requiring a user to verify their identity with a passcode or other form of authentication."my computer is locked and I've forgotten my login info"
- make or become rigidly fixed or immovable."he locked his hands behind her neck"synonyms: join, interlock, mesh, engage, link, unite, connect, combine, yoke, mate, couple, become stuck, stick, jam, become/make immovable, become/make rigid
- go through a lock on a canal."we locked through at Moore Haven"
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The meaning of LOCK is a tuft, tress, or ringlet of hair. How to use lock in a sentence.
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verb (used with object) · to fasten or secure (a door, window, building, etc.) · to shut in a place fastened by a lock or locks, as for security or restraint.