water cooler

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water cooler /ˈwɑːtɚˌkuːlɚ/ noun
plural water coolers
water cooler
/ˈwɑːtɚˌkuːlɚ/
noun
plural water coolers
Learner's definition of WATER COOLER
[count]
: a machine that cools and stores water for drinking and that is usually found in offices and public buildings often used to refer to the kind of informal conversations that people have in an office when they are not doing work