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white·wa·ter(wīt′wô′tər, -wŏt′ər, hwīt′-)
n. also white water
Turbulent or frothy water, as in rapids or surf.
adj. also white-water
Of, relating to, intended for, or taking place on whitewater, especially in river rapids: whitewater rafting.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.