pool

noun

1
any of various games played on a pool table having 6 pockets
2
an excavation that is (usually) filled with water
3
an association of companies for some definite purpose
4
an organization of people or resources that can be shared
a car pool
a secretarial pool
5
something resembling a pool of liquid
he stood in a pool of light
his chair sat in a puddle of books and magazines
6
a small lake
the pond was too small for sailing
7
a small body of standing water (rainwater) or other liquid
there were puddles of muddy water in the road after the rain
the body lay in a pool of blood
8
the combined stakes of the betters
9
any communal combination of funds
everyone contributed to the pool

Also useful for “pool”:Unscrambler— Turn loose letters into real words