basin — A basin is a large or deep bowl that you use for holding liquids, or for mixing or storing food.
lagoon — an area of shallow water separated from the sea by low sandy dunes. Compare laguna.
pond — a body of water smaller than a lake, sometimes artificially formed, as by damming a stream.
pool — Also called pocket billiards. any of various games played on a pool table with a cue ball and 15 other balls that are usually numbered, in which the object is to drive all the balls into the pockets with the cue ball.
millpond — a pond for supplying water to drive a mill wheel.
mouth — Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
sluice — an artificial channel for conducting water, often fitted with a gate (sluice gate) at the upper end for regulating the flow.