/ Dictionary / Index W water-cool: Meaning and Definition of Find definitions for: wa•ter-cool Pronunciation: (wô'tur-kl", wot'ur-), [key] — v.t. 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. watercolor water cooler Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language