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Meaning of water-cool

wa•ter-cool

Pronunciation: (wô'tur-kl", wot'ur-), [key]
— v.t.
  1. to cool by means of water, esp. by water circulating in pipes or a water jacket, as an engine or machine gun.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.