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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

   Learn the meaning of lock as a noun and a verb in English, with different senses and usage. Find out how to use lock in idioms, phrasal verbs, and business contexts.

   • English (US)

     LOCK meaning: 1. a device that prevents something such as a...

   • Pronunciation in English

     LOCK pronunciation. How to say LOCK. Listen to the audio...

   • Lock Spanish Translation

     LOCK translate: cerradura, mechón, cerrar con llave, cerrar...

   • Lock: Russian Translation

     LOCK translate: запирать на ключ , застрять, увязнуть ,...

3. 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.

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

   www.merriam-webster.com › dictionary › lock

   • Cached

   Learn the various meanings and uses of the word lock, from a tuft of hair to a fastening device to a verb. See synonyms, examples, phrases, and related articles.

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.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.

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

   www.thefreedictionary.com › lock

   • Cached

   Learn the meaning and usage of the word lock in different contexts, such as mechanical engineering, nautical terms, sports, and idioms. Find synonyms, antonyms, and related words for lock in the thesaurus.

8. www.oxfordlearnersdictionaries.com › definitionlock verb - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

   • Cached

   Learn the meaning, pronunciation and examples of the verb lock, which can mean to fasten, to keep safe, to become fixed, to be in a difficult situation, to be held tightly or to use a code. See also idioms and phrasal verbs with lock.