lock1 W3S2 [lɔk US la:k] v
1¦(fasten something)¦
2¦(keep in a safe place)¦
3¦(fixed position)¦
4¦(fixed situation)¦
5 be locked in battle/combat/dispute etc
6 lock arms
7 lock horns (with somebody)
Phrasal verbs
 lock somebody/something<=>away
 lock in
 lock onto something
 lock somebody<=>out
 lock up
1.) ¦(FASTEN SOMETHING)¦ [I and T]
to fasten something, usually with a key, so that other people cannot open it. or to be fastened like this
Did you lock the car?
I can't get this drawer to lock.
see usage noteclose1
2.) ¦(KEEP IN A SAFE PLACE)¦ [T always + adverb/preposition]
to put something in a place and fasten the door, lid etc with a key
lock sth in sth
Lock the cat in the kitchen.
3.) ¦(FIXED POSITION)¦ [I and T]
to become fixed in one position and impossible to move, or to make something become fixed
The wheels suddenly locked.
lock sth around/round sth
He locked his hands around the younger man's throat.
A moment later they were locked in an embrace (=holding each other very tightly in a loving or friendly way) .
Their eyes locked together (=they could not look away from each other) for an instant.
4.) ¦(FIXED SITUATION)¦ [T usually passive]
if you are locked in a situation, you cannot get out of it
be locked in/into sth
Security forces and militants are locked in a vicious cycle of killing.
The company is locked into a three year contract with PARCO.
5.) be locked in battle/combat/dispute etc
to be involved in a long, serious argument or fight with someone
They are now locked in a bitter custody battle over the three children.
6.) lock arms
if people lock arms, they join their arms tightly with the arms of the people on either side
The police locked arms to form a barrier against the protesters.
7.) lock horns (with sb)
to argue or fight with someone
The band have now locked horns with their record company over the album.
>lockable adj
lock away [lock sb/sth<=>away] phr v
1.) to put something in a safe place and lock the door, lid etc
= ↑lock up
He locked his money away in the safe.
2.) to put someone in prison
= ↑lock up
I hope they lock him away for years.
3.) lock yourself away
to keep yourself separate from other people by staying in your room, office etc
lock in phr v
1.) lock sb in (sth)
to prevent someone from leaving a room or building by locking the door
She locked herself in.
They locked the director in his office.
2.) lock sth<=>in
to do something so that a price, offer, agreement etc cannot be changed
Sell your stocks now to lock in some of the gains of recent months.
3.) lock sth<=>in
to make the taste, liquid etc remain in something
This method of cooking locks in the flavour of the meat.
lock onto [lock onto sth] phr v
if a ↑missile or ↑satellite locks onto a ↑target or signal, it finds it and follows it closely
lock out [lock sb<=>out] phr v
1.) to keep someone out of a place by locking the door
lock somebody<=>out of
I locked myself out of the house!
2.) if employers lock workers out, they do not let them enter their place of work until they accept the employers' conditions for settling a disagreement
lock up phr v
1.) to make a building safe by locking the doors, especially at night
I'll leave you to lock up.
lock sth<=>up
Don't forget to lock up the warehouse.
2.) lock sth<=>up
to put something in a safe place and lock the door, lid etc
= ↑lock away
3.) lock sb<=>up
to put someone in prison
= ↑lock away
Rapists should be locked up.
4.) be locked up (in sth)
if your money is locked up, you have put it into a business, ↑investment etc and cannot easily move it or use it
lock 2
lock2 S2 n
2 under lock and key
3 lock, stock, and barrel
5¦(on a river etc)¦
6¦(in a fight)¦
9 a lock on something
[Sense: 1-3, 5-9;Origin: Old English loc]
[Sense: 4; Origin: Old English locc]
a thing that keeps a door, drawer etc fastened and is usually opened with a key or by moving a small metal bar
I'm sorry, there isn't a lock on the bathroom door.
The key turned stiffly in the lock.
a bike lock
2.) under lock and key
a) kept safely in a box, cupboard etc that is locked
Dad keeps all his liquor under lock and key.
b) kept in a place such as a prison
3.) lock, stock, and barrel
including every part of something
He moved the whole company, lock, stock, and barrel, to Mexico.
4.) ¦(HAIR)¦
a small number of hairs on your head that grow and hang together
lock of
He gently pushed a lock of hair from her eyes.
b) locks [plural] literary
someone's hair
long flowing locks
5.) ¦(ON A RIVER ETC)¦
a part of a ↑canal or river that is closed off by gates so that the water level can be raised or lowered to move boats up or down a slope
6.) ¦(IN A FIGHT)¦
a ↑hold which ↑wrestlers use to prevent their opponent from moving
a head lock
7.) ¦(VEHICLE)¦ [U and C]
BrE the degree to which a vehicle's ↑steering wheel can be turned in order to turn the vehicle
8.) ¦(RUGBY)¦
a playing position in the game of ↑rugby
9.) a lock on sth
AmE complete control of something
Pro football still has a lock on male viewers aged 18 to 34.

Dictionary of contemporary English. 2013.

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