pocket

1 pocket /ˈpɑːkət/ noun
plural pockets
1 pocket
/ˈpɑːkət/
noun
plural pockets
Britannica Dictionary definition of POCKET
[count]
1 
: a usually small cloth bag that is sewn into a piece of clothing, a larger bag, etc., and that is open at the top or side so that you can put things into it
— see color picture on this page
2 
: the amount of money that someone has available to spend
— see also deep pockets
3 
: a small bag or container that is attached to something and used to hold things
4 
: a small area or group that is different from the larger area or group it is in or near — usually + of
5 
pool and billiards : a bag or cup that you hit the ball into at the corner or side of a pool table or billiard table
6 

be/live in each other's pockets

British, informal
: to be too close to someone or spend too much time with someone

in someone's pocket

disapproving or in the pocket of someone
: under someone's control or influence

in your pocket

informal
◊ If you have something in your pocket, you are certain to win or get it.

line your pockets

— see 3line

out of pocket

chiefly British, informal
: having less money because of something that has happened
— see also out-of-pocket

pick pockets

— see 1pick
2 pocket /ˈpɑːkət/ verb
pockets; pocketed; pocketing
2 pocket
/ˈpɑːkət/
verb
pockets; pocketed; pocketing
Britannica Dictionary definition of POCKET
[+ object]
1 
: to put (something) in a pocket
2 
a  : to take or keep (something that does not belong to you)
b  : to earn or win (something, such as money)
3 
US : to ignore (an emotion or feeling)
4 
pool and billiards : to hit (a ball) into a pocket of a pool table or billiard table
3 pocket /ˈpɑːkət/ adjective
3 pocket
/ˈpɑːkət/
adjective
Britannica Dictionary definition of POCKET
always used before a noun
1 
: small enough to fit in a pocket
2 
: carried in a pocket