Definition of "icebox"

icebox

/ˈʌɪsbɒks/

noun
plural iceboxes
1. A box or compartment containing ice, typically used to keep provisions cool.
2. (UK) A compartment in a refrigerator that is colder than the rest of the refrigerator and is used as a freezer.
3. (US, dated) A refrigerator.
4. (US, slang) A city with a cold or snowy climate.
5. (US, slang) A prison.
  Quotations
  ‘The sister ran after them and brought them back and had Owen heaved into the icebox.’
  1939, Raymond Chandler, The Big Sleep, Penguin, published 2011, page 53
6. (US, slang) A morgue.
adjective
not comparable
1. (slang) agreeable, awesome. (as a superlative of cool)
  Quotations
  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, Alexei Sayle, The Young Ones‎