The water-cooler was left empty, and the incubator was in a state of dampness alarming to behold.
Harper's Round Table, July 9, 1895|Various
It comprised a cheerless waiting-room, with a stove, bench and water-cooler for furniture, and a little ticket office at one end.
Chasing an Iron Horse|Edward Robins
"That's good," said Mary Turner, as she went to the water-cooler.
Six Little Bunkers at Aunt Jo's|Laura Lee Hope
After a copious raid on the water-cooler, Theodora returned, feeling a little bloated, but much more composed and natural.
Atlantic Narratives|Mary Antin
He arose to his feet and walked out of the room into the hallway of the building, where in one corner there was a water-cooler.
Dave Porter and His Double|Edward Stratemeyer
British Dictionary definitions for water cooler
water cooler
noun
a device for cooling and dispensing drinking water
adjectivewater-cooler
informal
indicating the kind of informal conversation among office staff that takes place at such a dispenserwater-cooler conversations
indicating an event, television programme, etc, sufficiently controversial or otherwise noteworthy to provide subject matter for such conversationswater-cooler television; a water-cooler moment