a small amount of liquid or light that is on a surface—often + of —sometimes used figuratively
2poolverb
to form a pool or puddle
3poolnoun
the money that is bet by people on an event (such as a sports game)
a game played on a long table in which players use a long stick and a white ball to hit 15 colored balls into one of six pockets around the table —called also pocket billiards
an amount of money that has been collected from many people for some purpose
4poolverb
to combine (something) to form a supply which can be used by a group of people