A body of water or waterbody is any collection of water on a planet's surface. A body of water can be still (like a lake) or moving (like a river).
The Aubach (Wiehl) in Germany (Watercourse)
The Canal Grande in Venice, one of the major water-traffic corridors in the city. View from the Accademia bridge.
A weir in Toledo, Spain. Weirs are frequently used to change the height of a riverlevel, prevent floodings, and measure water discharge.
River Gambia, Niokolokoba National Park
A tide pool in Santa Cruz, California with sea anemones and sea stars