Meaning of “cooler bag” in the English Dictionary

british dictionary

"cooler bag" in British English

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cooler bagnoun [ C ]

/ˈkuː.lə ˌbæɡ/ /ˈkuː.lɚ ˌbæɡ/ US UK cool bag

a bag made of a thick insulating material that keeps food and drink cold when you are travelling

(Definition of “cooler bag” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)