Lock | Mean of lock in English Dictionary

/ˈlɑːk/

• Noun
• a device that keeps something (such as a door, window, or box) from being opened and that is usually opened by using a key
1. We had no key so we had to break the lock to open the door.
2. The thief used a wire to pick the lock.
• an area in a canal or river that has gates at each end which are opened and closed to control the level of the water in different sections of the canal or river as boats move through it
• a method of holding someone so that the person being held cannot move
1. a leg lock

• complete control of something
1. He appears to have a lock on the nomination for governor. [=he appears to be sure of getting the nomination for governor]
2. He has been able to get a lock on the nomination.
3. There seems to be no danger that the company will lose its lock on the industry.
• someone or something that is certain to have or do something
1. He's a lock for the nomination. = He's a lock to get the nomination. [=he is certain to get the nomination]
2. The team is a lock to win the championship.
• something that is certain to happen
1. It looks like his nomination is a lock.
• the extent to which the front wheels of a vehicle can be turned
1. a car on full lock [=a car with its wheels turned as far as possible]
• including everything
1. She gave her friend everything she owned, lock, stock, and barrel, and moved away.
2. He insisted that he be given control of the business, lock, stock, and barrel.
• in a room, box, etc., that is locked
1. The jewels are kept under lock and key.
2. The prisoner is being kept/held under lock and key.
• Verb
• to fasten (something) with a lock
1. They locked the door when they left and unlocked it when they returned.
2. She locked the bicycle to the railing with a chain.
3. The door was locked.
• to fasten the door, lid, etc., of (something) with a lock
1. He forgot to lock the car.
2. They locked the box (shut) with a padlock.
3. a locked room
4. She locked up the house.
• to become fastened with a lock
1. The door locked behind him. [=after he went through it]
2. The car locks automatically when you start the engine.
• to become fixed in one position
1. The wheels/brakes locked and the car skidded off the road.
2. Their eyes locked. [=they looked directly at each other without looking away]
• to hold (someone or something) in a fixed position
1. He locked her in his arms. = He locked her in a tight/close embrace. [=he embraced her tightly/closely]
2. They were locked in each other's arms.
3. He locked his fingers around her wrist [=he gripped her wrist very tightly] and refused to let go.
4. She locked her hands around the steering wheel.
5. Protesters locked [=linked] arms across the forest road.
6. His eyes were locked on her as she walked across the room. [=he was looking at her and at nothing else]
7. Repeat the exercise, being careful not to lock your knees. [=being careful not to hold your knees in a fully extended position]
8. They were locked in a contract dispute.
9. two armies locked in a terrible struggle/fight
10. She was locked [=trapped] in a loveless marriage.
• to make (a file, database, etc.) impossible for others to open or change
1. lock a database
2. The file is locked for editing.
• to put (something) in a locked container, place, etc.
1. The jewelry was locked away [=locked up] in a cabinet.
• to put (someone) in a locked place (such as a prison) for a long period of time
1. lock away [=lock up] a criminal
2. The state locked their sister away in a psychiatric hospital.
• to stay in a room or place by yourself for a long period of time
1. He locked himself away in his room while he studied. = He was locked away in his room while he studied.
• to disagree about how something should be done
1. They've locked horns (with each other) over this issue a number of times.
• to put or keep (someone or something) in a locked place, room, etc.
1. She locked her brother in the bathroom.
2. They locked the jewels in a safe.
3. They threatened to lock him in jail.
4. They pushed him into the room and locked him in.
• to do something that makes you sure to get (something that could change, such as a good price, an interest rate, etc.)
1. If you sign the contract today, you can lock in this low interest rate before it goes any higher.
• to use electronic methods to find (a target)
1. The pilot locked onto the ship and fired a missile.
2. The missile locked on the target.
• to prevent (someone) from entering a place, car, etc., by locking it
1. I locked myself out accidentally.
2. She locked her husband out of the house.
• to prevent (workers) from going to work in order to force an agreement
1. The company has threatened to lock out its factory workers unless they agree to a new contract.
• to lock all of the doors of a building before leaving it
1. The last employee to leave the store at night has to lock up.
• to put (something) in a locked container, room, etc.
1. The money is locked up [=locked away] in a safe.
2. Most of his money is locked up in real estate. [=most of his money is not easily available because it is invested in real estate]
• to make control or achievement of (something) certain
1. The team has first place locked up. [=the team is certain of getting first place]
2. He was unable to lock up enough states to win the election.
• Noun
• a small bunch of hair
1. She was nervously tugging on a lock of her hair.
• a person's hair
1. I love her curly locks. [=her curly hair]
2. her long, flowing locks
3. golden locks