noun

cooler

cooler, ice chest

We packed drinks in the cooler for the picnic.

We packed drinks in the cooler for the picnic.

This cooler keeps ice frozen for three days.

This cooler keeps ice frozen for three days.

((a/the)) cooler a container for keeping things cool We packed the drinks in a cooler.

Synonyms: cool box, ice chest

From the adjective 'cool' + the suffix '-er', which denotes an agent or instrument. Literally, 'something that makes things cooler'.

Think of a box that makes things 'cool' and keeps them that way for 'er' (longer).

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