eddy

/EH1 D IY0/
noun
  1. 1

    A current of air or water running back, or in an opposite direction to the main current.

  2. 2

    A circular current; a whirlpool.

verb
  1. 1

    To form an eddy; to move in, or as if in, an eddy; to move in a circle.

Source: https://en.wiktionary.org/wiki/eddy