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1. Dictionary

   lock

   /läk/

   noun

   • 1. 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"
   • ▪ a device used to prevent the operation or movement of a vehicle or other machine: "a bicycle 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 "a street closed by a lock of carriages"
   • 2. 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"
   • 3. 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"
   • 4. 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, box, etc.) become or be able to be secured through activation of 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.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.

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. 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.

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

   www.merriam-webster.com › dictionary › lock

   • Cached

   She locked the bicycle to the railing with a chain. He forgot to lock the car. The car locks automatically when you start the engine. The wheels locked and the car skidded off the road. They were locked in each other's arms. She locked her hands around the steering wheel. The file is locked for editing. See More

7. 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.

8. 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.

9. 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.

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.ldoceonline.com › dictionary › locklock | meaning of lock in Longman Dictionary of Contemporary...

    www.ldoceonline.com › dictionary › lock

    • Cached

    lock meaning, definition, what is lock: to fasten something, usually with a key,...: Learn more.