What is another word for coolbox?
Pronunciation: [kˈuːlbɒks] (IPA) 
A coolbox, commonly known as a cooler, has a multitude of synonyms. The most commonly used synonym is icebox or ice chest that refers to an insulated container to keep food and drinks cold. Another famous synonym is a portable fridge, which is similar to a cooler but has a compressor system to cool the air inside. Picnic cooler, chilly bin, and cooler bag are other popular synonyms that refer to smaller versions of coolers. Additionally, the terms thermos or flask are sometimes used to describe a small portable cooler that can keep drinks cold for a longer time. Overall, these synonyms bring to mind the idea of keeping food and drinks cold in a portable container while on the go.
