also: アイスバックス
noun
icebox; cooler; ice chest
Refers to a portable insulated container for keeping food and drinks cold, often used for picnics or camping. Not typically used for a refrigerator.
ピクニックにアイスボックスを持って行った。
I took a cooler to the picnic.
アイスボックスに飲み物を入れて冷やしておく。
I put drinks in the icebox to keep them cold.