Pool may refer to:

Bodies of water

Swimming pool A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable Human swimming, swimming and associated activities. Pools can be built into the ground (in-ground pools) or built abo ...

, usually an artificial structure containing a large body of water intended for swimming *

Reflecting pool A reflecting pool, also called a reflection pool, is a water feature found in gardens, parks and memorial sites. It usually consists of a shallow pool of water with a reflective surface, undisturbed by fountain jets. Design Reflecting pools are o ...

, a shallow pool designed to reflect a structure and its surroundings *

Tide pool A tide pool or rock pool is a shallow pool of seawater that forms on the rocky intertidal shore. These pools typically range from a few inches to a few feet deep and a few feet across. Many of these pools exist as separate bodies of water only ...

, a rocky pool on an ocean shore that remains filled with seawater when the tide goes out * Salt pannes and pools, a water-retaining depression located within salt and brackish marshes *

Plunge pool A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or Shut-in (river), shut-in. It is created by the erosion, erosional forces of cascading water on the rocks at the formation's bas ...

, a small, deep body of water *

Stream pool In hydrology, a stream pool is a stretch of a river or stream in which the water depth is above average and the water velocity is below average. Formation A stream pool may be bedded with sediment or armoured with gravel, and in some cases t ...

, a quiet slow-moving portion of a stream *

Spent fuel pool Spent fuel pools (SFP) are storage pools (or "ponds" in the United Kingdom) for spent fuel from nuclear reactors. They are typically 40 or more feet (12 m) deep, with the bottom 14 feet (4.3 m) equipped with storage racks designed to hold ...

, a storage facility for used fuel rods from a nuclear reactor * Vernal pools, seasonal pools of water that provide habitat for distinctive plants and animals.

Sports and gambling

Pool (cards) The following is a glossary of terms used in card games. Besides the terms listed here, there are thousands of common and uncommon slang terms. Terms in this glossary should not be game-specific (e.g. specific to bridge, hearts, poker or rummy) ...

, the common pot for stakes or the stakes themselves in card games * Pool (dominoes), the stock or boneyard in dominoes *

Pool (cue sports) Pool is a series of cue sports played on a billiard table. The table has six Pocket (billiards), pockets along the , into which Billiard ball, balls are shot. "Pool billiards" is sometimes hyphenated and/or spelled with a singular "billiard". T ...

, a group of games played on a pool table * Pool (poker) or

pot (poker) The pot in poker refers to the sum of money that players wager during a single hand or game, according to the betting rules of the variant being played. It is likely that the word ''pot'' is related to or derived from the word '' jackpot''. At ...

, money wagered during a single hand of poker * Pool betting or parimutuel betting, a betting system in which all bets of a particular type are placed together **

Betting pool A betting pool, syndicate, sports lottery, sweep, or office pool if done at work, is a form of gambling, specifically a variant of parimutuel betting influenced by lotteries, where gamblers pay a fixed price into a ''pool'' (from which taxes and a ...

, a form of pool betting where gamblers pay a fixed price into a pool ***

Football pool In the United Kingdom, the football pools, often referred to as "the pools", is a betting pool based on predicting the outcome of association football matches taking place in the coming week. The pools are typically cheap to enter, and may en ...

, an association football (soccer) betting pool *

Pool play A tournament is a competition involving at least three competitors, all participating in a sport or game. More specifically, the term may be used in either of two overlapping senses: # One or more competitions held at a single venue and concentr ...

or group stages, the round-robin stage of many sporting championships *

Singapore Pools Singapore Pools (Private) Limited is a state-owned lottery subsidiary company in Singapore. As a wholly owned subsidiary of the Tote Board, it is the only operator that is legally allowed to run lotteries in Singapore. History Singapore Pools ...

, Singapore's national lottery

Computing

Pool (computer science) In computer science, a pool is a collection of resources that are kept in memory, ready to use, rather than the memory acquired on use or the memory released afterwards. In this context, ''resources'' can refer to system resources such as file h ...

, a set of initialized resources that are kept ready to use *

Connection pool In software engineering, a connection pool is a cache of reusable database connections managed by the client or middleware. It reduces the overhead of opening and closing connections, improving performance and scalability in database applications. ...

, a cache of database connections maintained by the database *

Memory pool Memory pools, also called fixed-size blocks allocation, is the use of pools for memory management that allows dynamic memory allocation. Dynamic memory allocation can, and has been achieved through the use of techniques such as malloc and C ...

, a dynamic memory allocation method ** Memory Pool System, a memory management system by

Harlequin Harlequin (, , ; , ) is the best-known of the comic servant characters (Zanni) from the Italian commedia dell'arte, associated with the city of Bergamo. The role is traditionally believed to have been introduced by the Italian actor-manager Zan ...

Object pool pattern The object pool pattern is a software creational design pattern that uses a set of initialized objects kept ready to use – a "pool" – rather than allocating and destroying them on demand. A client of the pool will request an object from the ...

, a pattern to construct sets of initialized programming objects that are kept ready to use *

Thread pool pattern In computer programming, a thread pool is a software design pattern for achieving concurrency of execution in a computer program. Often also called a replicated workers or worker-crew model, a thread pool maintains multiple threads waiting for ...

, a programming method where a number of threads are created to perform a number of tasks *

Pooling layer In neural networks, a pooling layer is a kind of network layer that downsamples and aggregates information that is dispersed among many vectors into fewer vectors. It has several uses. It removes redundant information, reducing the amount of comp ...

, a form of non-linear down-sampling in

convolutional neural networks A convolutional neural network (CNN) is a type of feedforward neural network that learns features via filter (or kernel) optimization. This type of deep learning network has been applied to process and make predictions from many different type ...

Arts and entertainment

Music

* ''Pool'' (John Zorn album), 1980 * ''Pool'' (Porches album), 2016 * "Pool", a 2017 song by Paramore from the album ''

After Laughter ''After Laughter'' is the fifth studio album by the American rock band Paramore. It was released on May 12, 2017, through Fueled by Ramen, as a follow-up to their 2013 Paramore (album), self-titled album. ''After Laughter'' was produced by guit ...

'' * "Pools", a 2014 song by Glass Animals from the album '' Zaba'' * "Pools", a 2017 song by Sløtface from the album ''

Try Not to Freak Out ''Try Not to Freak Out'' is the debut album of the Norwegian punk pop band Sløtface. Just like their former EPs, this release includes clear political and feminist statements. Critical reception ''Try Not to Freak Out'' was met with generally f ...

Film

* ''The Pool'' (2001 film), German horror film also known as ''Swimming Pool'' * ''The Pool'' (2007 film), co-written and directed by Chris Smith * ''The Pool'' (2009 film), adaptation of the 2006 play * ''The Pool'' (2018 film), Thai survival thriller film * ''Pool'' (film) (), a 2007 short film

Video games

* ''

Pool Pool may refer to: Bodies of water * Swimming pool, usually an artificial structure containing a large body of water intended for swimming * Reflecting pool, a shallow pool designed to reflect a structure and its surroundings * Tide pool, a roc ...

'', a 1983 sports game * '' Pools'', a 2024 horror

walking simulator A walking simulator, shortened walking sim, is an adventure game that consists primarily of movement and environmental interaction. Walking sims sometimes include puzzle elements, and generally do not have combat mechanics or traditional win/l ...

Other uses in arts and entertainment

* ''The Pool'' (play), by James Brough and Helen Elizabeth, 2006 * "The Pool", an episode of the TV series ''Mayor of Kingstown'', in season 2 (2023) * Pool (website), a defunct Australian Broadcasting Corporation social media site * The Pool (magazine) a defunct online women's magazine

Places

England

* Pool, Cornwall, on the mainland, England * Pool, Isles of Scilly, a

location In geography, location or place is used to denote a region (point, line, or area) on Earth's surface. The term ''location'' generally implies a higher degree of certainty than ''place'', the latter often indicating an entity with an ambiguous bou ...

in Cornwall, England *

Pool-in-Wharfedale Pool-in-Wharfedale or Pool in Wharfedale, usually abbreviated to Pool, is a village and civil parish in Lower Wharfedale, West Yorkshire, England, north of Leeds city centre, north-east of Bradford, and east of Otley. It is in the City of Le ...

, in West Yorkshire, England *

Pool of London The Pool of London is a stretch of the River Thames from London Bridge to below Limehouse. Part of the Tideway of the Thames, the Pool was navigable by tall-masted vessels bringing coastal and later overseas goods—the wharves there were t ...

, a stretch of the River Thames * River Pool (London), a river in England, tributary to the River Ravensbourne * River Pool, Cumbria, a river in Cumbria, England, tributary to the Gilpin

United States

* Pool, West Virginia, United States * The Pool (Central Park) in Manhattan, New York, United States

Congo

Pool Department Pool () is a Departments of the Republic of the Congo, department of the Republic of the Congo in the southeastern part of the country. It borders the departments of Bouenza Department, Bouenza, Lékoumou Department, Lékoumou, and Plateaux Depar ...

, a division of the Republic of the Congo

Other uses

* Pool (surname), a surname (and list of people with the surname) *

Pooling (resource management) In resource management, pooling is the grouping together of resources (assets, equipment, personnel, effort, etc.) for the purposes of maximizing advantage or minimizing risk to the users. The term is used in finance, computing and equipment mana ...

, grouping together of resources or effort **

Press pool A press pool, media pool, or news pool is an arrangement wherein a group of news gathering organizations combine their resources in the collection of news. A pool feed is then distributed to members of the broadcast pool who are free to edit it ...

, group of news gathering organizations pooling their resources ** Secretarial pool, group of secretaries available to assist executives