Definition of "water-cooler" []

• A coil of pipes, similar to a brine-cooler, for cooling distilled water by means of fresh cold water, preparatory to freezing it in making ice. (noun)
• Any device for cooling water; especially, a vessel with non-conducting walls in which water for drinking is placed with ice. (noun)

The Century Dictionary (Public Domain)

• "I'm sorry that when those pictures were found and published by the sleazy, greasy little websites that feel they're performing some kind of public service by doing crap like this, everybody got together around the national water-cooler to cluck, whinny and chortle about how chubby and lackluster the woman turned out to be."
• "But the results could cast some cold water on the theory that social-networking services like Twitter are forces for driving more viewers to live shows by creating an instant water-cooler effect."
• ""I guess I've just been trained to think of it as a water-cooler holiday," he said, "and you never want your girl telling her friends she got nothing for Valentine's Day.""