tank used for collecting and storing a liquid (as water or oil)
lake used to store water for community use
anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies; "an infectious agent depends on a reservoir for its survival"
a large or extra supply of something; "a reservoir of talent"
any of various games played on a pool table having 6 pockets
an excavation that is (usually) filled with water
an organization of people or resources that can be shared; "a car pool"; "a secretarial pool"; "when he was first hired he was assigned to the pool"
something resembling a pool of liquid; "he stood in a pool of light"; "his chair sat in a puddle of books and magazines"
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"
the combined stakes of the betters
any communal combination of funds; "everyone contributed to the pool"