(US, slang) A numbers game (illicit lottery).

plural of nigger pool

(US, politics, journalism) An event in which photographers and other members of the news media are allowed to visit briefly with the US President or other top US government officials, especially on the occasion of a meeting with leaders or high-level officials from other countries.

(philosophy) The set of all memes present in a given human population, in an analogy to gene pool.

plural of pool table

A table used for playing pool.

plural of football pool

plural of gene pool

A group of news organizations pooling their resources in the collection of news. A video pool or pool feed is then distributed to members of the pool, who are free to edit it or use it as they see fit.

(genetics) The complete set of unique alleles that would be found by inspecting the genetic material of every living member of a species or population.