pocket (Noun) — A small pouch inside a garment for carrying small articles.
pocket (Noun) — An enclosed space. ex. "the trapped miners found a pocket of air"
pocket (Noun) — A supply of money. ex. "they dipped into the taxpayers' pockets"
pocket (Noun) — (bowling) the space between the headpin and the pins behind it on the right or left. ex. "the ball hit the pocket and gave him a perfect strike"
pocket (Noun) — A hollow concave shape made by removing something.
pocket (Noun) — A local region of low pressure or descending air that causes a plane to lose height suddenly.
pocket (Noun) — A small isolated group of people. ex. "they were concentrated in pockets inside the city" ex. "the battle was won except for cleaning up pockets of resistance"
pocket (Noun) — (anatomy) saclike structure in any of various animals (as a marsupial, gopher or pelican).
pocket (Noun) — An opening at the corner or on the side of a billiard table into which billiard balls are struck.
pocket (Noun) — (American football) the region directly behind the offensive line in which the quarterback executes plays.
pocket (Verb) — Put in one's pocket. ex. "He pocketed the change"
pocket (Verb) — Take unlawfully.