pocket

noun

1
a small pouch inside a garment for carrying small articles
2
an opening at the corner or on the side of a billiard table into which billiard balls are struck
3
(anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
4
a small isolated group of people
they were concentrated in pockets inside the city
the battle was won except for cleaning up pockets of resistance
5
a local region of low pressure or descending air that causes a plane to lose height suddenly
6
a supply of money
they dipped into the taxpayers' pockets
7
a hollow concave shape made by removing something
8
(bowling) the space between the headpin and the pins behind it on the right or left
the ball hit the pocket and gave him a perfect strike
9
an enclosed space
the trapped miners found a pocket of air

Also useful for “pocket”:Scrabble— High-value letters — see what it scores