Ed·dy n.; pl. Eddies
  1. A current of air or water running back, or in a direction contrary to the main current.
  2. A current of water or air moving in a circular direction; a whirlpool.
     And smiling eddies dimpled on the main.   --Dryden.
     Wheel through the air, in circling eddies play.   --Addison.
  Note: Used also adjectively; as, eddy winds.