what is pool

A "pool" can refer to various things. It can be a small and rather deep body of usually fresh water, a quiet place in a stream, a body of water forming above a dam, or a swimming pool. Additionally, "pool" can also refer to a number of people or a quantity of a particular thing, such as money, collected together for shared use by several people or organizations. In the context of cue sports, "pool" is a classification of cue sports played on a table with six pockets along the rails, into which balls are shot).