Question

what is the meaning of 'to put under lock and key'​

Answer 1

Answer:

Here is your answer:

If something or someone is kept under lock and key, they are in a container or room which has been securely locked. The books were normally kept under lock and key in the library vault. He is currently under lock and key at Eastmoor secure unit in Leeds

Answer 2

Answer:

If something or someone is kept under lock and key, they are in a container or room which has been securely locked. The books were normally kept under lock and key in the library vault. He is currently under lock and key at Eastmoor secure unit in Leeds.