Eddies are small, circular currents of water that form in rivers and streams. The term 'eddies' can also be used to describe the same phenomenon in air or other fluids. The crossword solutions for the term 'eddies' are SPINS (5 letters), MOILS (5 letters), and SWIRLS (6 letters). SPINS refers to the circular motion of the eddies, MOILS describes the bubbling and churning of the water, and SWIRLS is another word for the circular motion of the eddies.