Pool2  —n. 1 a common supply of persons, vehicles, commodities, etc. For sharing by a group of people. B group of persons sharing duties etc. 2 common fund, e.g. Of profits of separate firms or of players' stakes in gambling. 3 arrangement between competing parties to fix prices and share business. 4 us a game on a billiard-table with usu. 16 balls. B game on a billiard-table in which each player has a ball of a different colour with which he or she tries to pocket the others in fixed order, the winner taking all of the stakes. —v. 1 put into a common fund. 2 share in common. [french poule]