pocketpock·et1 /ˈpɒkɪtˈpɑːkɪt/ noun [countableC]1journalism used to refer to the amount of money people have available to spendWe need to find a way to put more money in people’s pockets.
a savings scheme to suit all pockets (=suitable however much money you have)
a company with deep pockets (=a lot of money)
2a small area or part of something where a situation is very different from other areas or partspocket ofCertain pockets of the aircraft market already have shown themselves to be vulnerable.
3be out of pocket informal to have less money than you should have after an event such as a business dealAll expenses will be paid. You won’t be out of pocket.
4put your hand in your pocket informal to give money to someone who needs it
5line your pockets disapproving to earn a lot of money, especially by using unfair methodsBanks are lining their pockets by charging their customers sky-high interest rates.