noun
Why put a lock on the door if there is nothing worth stealing inside?
The bureau has a complete lock on the issue of licences
verb
Lock the doors before leaving for the day
For six hours the knights were locked in battle
Our sights are locked on the target
During the strike, the management locked out all employees
They threatened to lock him up and throw away the key
lock in
What does the maker mean by 'the flavour is locked in'
We are locked in to the promises we made to our employees
You'd better lock in the dogs before you leave
noun
As a love token, she sent him a lock of her hair
US