Wiktionary
alt. 1 Any turbulent or frothy water as found in river rapids or surf. 2 (context figuratively English) Turbulent conditions. n. 1 Any turbulent or frothy water as found in river rapids or surf. 2 (context figuratively English) Turbulent conditions.
WordNet
n. frothy water as in rapids or waterfalls
Wikipedia
White Water is a 1993 pinball game designed by Dennis Nordman and released by Williams. The theme is based on White water rafting, which is reflected in the game's 'wild' ramps and very fast gameplay.
Usage examples of "white water".
He is the most gamesome and light-hearted of all the whales, making more gay foam and white water generally than any other of them.
Since she was the owner of White Water Rafting, she must have been responsible for the contest—.
But suddenly in the distance, they saw a great heap of tumultuous white water, and soon after news came from aloft that one or both the boats must be fast.
So I was on the look-out when I saw the shape roll through the stretch of white water above me.
At its center a spring of white water opened in the rock, and made a pool where wizened fruit trees grew, and here, in a cave, lay an unconscious man, with most of his right arm chewed away.
The Sea Lamprey exploded from the sea stern-first and splashed down in a fountain of white water.
And down below the stream was tranquil, gurgling, frothed with white water at every rill, but essentially harmless-- at least in its present form.
There was a steady flow of white water across the top and the massive Posleen rapidly drowned in the deep water at the base.