|—n , pl -dies|
|1.||a movement in a stream of air, water, or other fluid in which the current doubles back on itself causing a miniature whirlwind or whirlpool|
|2.||a deviation from or disturbance in the main trend of thought, life, etc, esp one that is relatively unimportant|
|—vb , -dies, -dies, -dying, -died|
|3.||to move or cause to move against the main current|
|[C15: probably of Scandinavian origin; compare Old Norse itha; related to Old English ed- again, back, Old High German it-]|
A current, as of water or air, moving in a direction that is different from that of the main current. Eddies generally involve circular motion; unstable patterns of eddies are often called turbulence. See also vortex.