under lock and key


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under lock and key

in a safe, protected place The old man keeps such documents under lock and key.
See also: and, key, lock

under lock and key

 
1. kept safely in a room or container that is locked I tend to keep medicines under lock and key because of the kids.
2. in prison I think the feeling from the general public is that people like that should be kept under lock and key for the rest of their lives.
See also: and, key, lock

under lock and key

Securely locked up, as in He keeps the wine under lock and key. [First half of 1500s]
See also: and, key, lock

under lock and key

Securely locked up.
See also: and, key, lock
References in classic literature ?
There's no safety for anyone until he is under lock and key.
I shall feel more at ease when we have our story-teller here safe under lock and key.
But, as it was just possible, when the police came to investigate the matter, that discoveries affecting the jugglers might be made, he would contrive, by committing them as rogues and vagabonds, to keep them at our disposal, under lock and key, for a week.
He could not forcibly have abducted the missing pair and kept them under lock and key.
Do you think yourself my master, that you try to keep me under lock and key like this?