A small and rather deep collection of (usually) fresh water, as one supplied by a spring, or occurring in the course of a stream; a reservoir for water
any of various games played on a pool table having 6 pockets
- biljard [ sport ]
an organization of people or resources that can be shared
- "a secretarial pool"
- "a car pool"
any communal combination of funds the combined stakes of the betters
- "everyone contributed to the pool"