icebox /ˈʌɪsbɒks/noun 6adjective 1forms 1 noun6 •A box or compartment containing ice, typically used to keep provisions cool. •(UK) A compartment in a refrigerator that is colder than the rest of the refrigerator and is used as a freezer. •(US, old-fashioned) A refrigerator. •(US, slang) A city with a cold or snowy climate.I moved here from the icebox of the upper Midwest. •(US, slang) A prison.The sister ran after them and brought them back and had Owen heaved into the icebox. — 1939 •(US, slang) A morgue. adjective1 •(slang) agreeable, awesome. (as a superlative of cool)MIKE: Yeah, yeah, so. So we'll forget about the rent, we'll pay you another time, is that cool? BALOWSKI: Yes, that's absolutely icebox! See you later, Ford Anglia! — 1982 formsiceboxes