coolbox
Longman Dictionary of Contemporary English 5++LDOCE 5++cool·box /ˈkuːlbɒks $ -bɑːks/ noun [countable] 
DFU British English a container that keeps food and drink cool and fresh, used on a picnic 〔储藏野餐食物的〕冰盒，冰袋 SYN American English cooler
DFU British English a container that keeps food and drink cool and fresh, used on a picnic 〔储藏野餐食物的〕冰盒，冰袋 SYN American English coolerExamples from the Corpus
coolbox• Marina had brought a coolbox, and a basket full of food.• A coolbox containing cold packs and energy-restoring, sugary drinks is also useful.cool·box nounChineseSyllable
keeps container and a food drink Corpus cool that
coolbox
cool‧box /ˈkuːlbɒks $ -bɑːks/
noun [countable]
British English a container that keeps food and drink cool and fresh, used on a picnic
SYN cooler American English
cool‧box /ˈkuːlbɒks $ -bɑːks/
noun [countable]British English a container that keeps food and drink cool and fresh, used on a picnic
SYN cooler American English