water cooler

Definition of water cooler

noun

• a dispenser of cooled drinking water, typically used in places of work.
• informal used to refer to the type of informal conversation among office workers that takes place around a water cooler:the subtleties of film noir haven’t exactly been a hot topic around the water cooler[as modifier]:water-cooler chat

water cooler in other Oxford dictionaries

Definition of water cooler in the US English dictionary