white water

/W AY1 T W AO1 T ER0/
noun
  1. 1

    Any turbulent or frothy water as found in river rapids or surf.

    โ€œThe boat's wake left two strands of white water that glistened in the moonlight.โ€

  2. 2

    Turbulent conditions.

Source: https://en.wiktionary.org/wiki/white%20water