An inland body of standing water, either natural or man-made, that is smaller than a lake.

An inland body of standing water of any size that is fed by springs rather than by a river.

(informal) Chiefly in across the pond: the Atlantic Ocean.

(transitive) To block the flow of water so that it can escape only through evaporation or seepage; to dam.

(transitive) To make into a pond; to collect, as water, in a pond by damming.

(intransitive) To form a pond; to pool.