The crossword solution for the term CONTRARY FLOW is EDDY. An EDDY is a swirling body of water that moves in a circular motion in a direction opposite to the main flow of the river or stream. It is caused by the interaction of currents and obstructions in the water, such as rocks or other objects. Eddies can be found in oceans, rivers, and streams, and can be large or small. They are often used by fish and other aquatic animals as a safe haven from predators.