The term 'contrary current' can be described as a circular motion of water or air that flows in the opposite direction of the main current. The crossword solution for this term is EDDY, which is a small whirlpool or vortex of air or water that moves in a circular motion. Eddies are often found in rivers and streams, where they form when the main current is disrupted by an obstacle such as a rock or tree branch. They can also be found in the atmosphere, where they form when air currents are disrupted by mountains or other obstacles.