a piece of electrical equipment in which food is kept cold so that it stays fresh This dessert can be served straight from the fridge. Word Origin 1920s: abbreviation, probably influenced by the proprietary name Frigidaire.Extra examples Place the dough in the fridge overnight. The fridge was stocked with food and drink. The kids raid the fridge when they get home. The kids tend to raid the fridge when they get home from school.