- A current of air or water running back, or in a direction contrary to the main current.
- 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.
Etymology: Prob. fr. Icel. iða; cf. Icel. pref. ið- back, AS. ed-, OS. idug-, OHG. ita-; Goth. id-