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1. Dictionary

   lock

   /lɒk/

   noun

   • 1. a mechanism for keeping a door, window, lid, or container fastened, typically operated by a key: "the key turned firmly in the lock"
   • ▪ a device used to prevent the operation or movement of a vehicle or other machine: "a steering lock"
   • ▪ a facility on a computer or mobile phone that requires a user to verify their identity with a passcode or other form of authentication in order to access the full functionality of the device: "there's a security lock on the phone and he doesn't know the code"
   • ▪ (in wrestling and martial arts) a hold that prevents an opponent from moving a limb.
   • ▪ a number of interlocked or jammed items: archaic "I have seen all Albermarle Street closed by a lock of carriages"
   • 2. a short section of a canal or river with gates and sluices at each end which can be opened or closed to change the water level, used for raising and lowering boats: "there was a lock every quarter of a mile"
   • 3. the turning of the front wheels of a vehicle to change its direction of motion. British
   • ▪ the maximum extent that the front wheels of a vehicle can be turned.
   • 4. a player in the second row of a scrum.
   • 5. a person or thing that is certain to succeed; a certainty: informal North American "all of this makes him a lock to make the Hall of Fame"
   • 6. a mechanism for exploding the charge of a gun. historical

   verb

   • 1. fasten or secure (something) with a lock: "she closed and locked her desk" Similar boltfastenbarsecuremake securemake fastsealpadlocklatchchainOpposite unlockopen
   • ▪ (of a door, window, etc.) become or be able to be secured with a lock: "the door will automatically lock behind you"
   • ▪ enclose or shut in by locking or fastening a door, lid, etc.: "he is treated like an unpaid servant and locked in his room"
   • 2. 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"
   • ▪ (of a mobile phone) operate only on the network of a particular carrier: "the phone is locked to T-mobile"
   • 3. make or become rigidly fixed or immovable: "he locked his hands behind her neck" Similar joininterlockmeshengagelinkuniteconnectcombineyokematecouplebecome stuckstickjambecome/make immovablebecome/make rigidOpposite separatedivide
   • 4. go through a lock on a canal: "we locked through at Moore Haven"

   Word Origin Old Englishloc, of Germanic origin; related to German Loch ‘hole’.

   Derivatives

   • 1. lockable adjective
   • 2. lockless adjective

   Scrabble Points: 10

   • L

     1

   • O

     1

   • C

     3

   • K

     5

   Powered by Oxford Dictionaries

   More definitions, origin and scrabble points

2. dictionary.cambridge.org › dictionary › englishLOCK | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

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

3. www.merriam-webster.com › dictionary › lockLock Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › lock

   • Cached

   The meaning of LOCK is a tuft, tress, or ringlet of hair. How to use lock in a sentence. a tuft, tress, or ringlet of hair; the hair of the head; a narrow ropelike strand of hair formed by matting, braiding, or twisting : dreadlock…

4. www.dictionary.com › browse › lockLOCK Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › lock

   • Cached

   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 key, dial, etc.. See examples of LOCK used in a sentence.

5. www.collinsdictionary.com › dictionary › englishLOCK definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   The lock on something such as a door or a drawer is the device which is used to keep it shut and prevent other people from opening it. Locks are opened with a key.

6. www.thefreedictionary.com › lockLock - definition of lock by The Free Dictionary

   www.thefreedictionary.com › lock

   • Cached

   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 securing. 2. A section of a waterway, such as a...

7. www.oxfordlearnersdictionaries.com › definition › englishlock verb - Definition, pictures, pronunciation and usage notes...

   www.oxfordlearnersdictionaries.com › definition › english

   • Cached

   Definition of lock verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

8. www.vocabulary.com › dictionary › lockLock - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › lock

   A lock is a tool that keeps a room, house, drawer, or box securely closed. You generally need a key, password, or combination to open a lock. You might use a padlock on your gym locker, opening it with a tiny key or a secret series of numbers.

9. dictionary.cambridge.org › dictionary › learner-englishLOCK | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

   • Cached

   LOCK definition: 1. to fasten something with a key, or to be fastened with a key: 2. to put something or someone in…. Learn more.

10. www.oxfordlearnersdictionaries.com › definition › englishlock noun - Definition, pictures, pronunciation and usage notes...

    www.oxfordlearnersdictionaries.com › definition › english

    • Cached

    Definition of lock noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

11. www.yourdictionary.com › lockLock Definition & Meaning | YourDictionary

    www.yourdictionary.com › lock

    • Cached

    Lock definition: A device operated by a key, combination, or keycard and used, as on a door, for holding, closing, or securing.