From King Dictionary of Contemporary English
Related topics: Utensils
coolboxcool‧box /ˈkuːlbɒks $ -bɑːks/ noun [countable] cooler.jpg DFU British English a container that keeps food and drink cool and fresh, used on a picnic SYN cooler American English
Examples from the Corpus
coolboxMarina had brought a coolbox, and a basket full of food.A coolbox containing cold packs and energy-restoring, sugary drinks is also useful.