pool

A small body of still water, natural or artificial, often for swimming.

"The children splashed in the paddling pool."

To combine resources, money, or efforts for a common purpose.

"We decided to pool our money for the trip."

A shared supply of resources, money, or information for collective use.

"They created a car pool for commuting to work."

A game played on a billiard table with cues and coloured balls.

"Fancy a game of pool tonight?"