A pocket is a kind of small bag which forms part of a piece of clothing, and which is used for carrying small things such as money or a handkerchief.

You can use pocket in a lot of different ways to refer to money that people have, get, or spend. For example, if someone gives or pays a lot of money, you can say that they dig deep into their pocket. If you approve of something because it is very cheap to buy, you can say that it suits people's pockets .

You use pocket to describe something that is small enough to fit into a pocket, often something that is a smaller version of a larger item.

A pocket of something is a small area where something is happening, or a small area which has a particular quality, and which is different from the other areas around it.

If someone who is in possession of something valuable such as a sum of money pockets it, they steal it or take it for themselves, even though it does not belong to them.

If you say that someone pockets something such as a prize or sum of money, you mean that they win or obtain it, often without needing to make much effort or in a way that seems unfair.

If someone pockets something, they put it in their pocket, for example because they want to steal it or hide it.

If you say that some money is burning a hole in someone's pocket, you mean that they want to spend it as soon as possible.

If you say that someone is in someone else's pocket, you disapprove of the fact that the first person is willing to do whatever the second person tells them, for example out of weakness or in return for money.

If you say that someone is lining their own or someone else's pockets, you disapprove of them because they are making money dishonestly or unfairly.

If you are out of pocket, you have less money than you should have or than you intended, for example because you have spent too much or because of a mistake.

If someone picks your pocket, they steal something from your pocket, usually without you noticing.