Very cold or chilled water, especially for drinking, often with ice in it.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ice water" in a sentence
"Enraged after giving up a run-scoring single, Dibble threw a bat (a la Tony LaRussa) at the screen behind home plate at Riverfront, and he has dumped a bucket of ice water (a la Dave Kingman) on a sportswriter."
"I expected that Satan would order a Manhattan or a Bloody Mary, or, like in the song, a piña colada, but was surprised to find that ice water was His drink of choice, and He could barely get enough of it!"
"Inside the cool clubhouse, with its large sitting rooms and abundance of leather-upholstered chairs, I accompanied a delicious prosciutto-mozzarella-and-tomato-on-baguette lunch with about sixteen glasses of ice water and POWERade to rebuild my depleted electrolytes, then one piece of apple torte."