double boiler

From King Dictionary of Contemporary English
Related topics: Utensils
double boilerˌdouble ˈboiler noun [countable] DFUa pot for cooking food, consisting of one pan resting on top of another pan with hot water in it
Examples from the Corpus
double boilerIn the top of a double boiler over hot water, melt the chocolate squares and the tablespoon butter.Melt chocolate, best done on a double boiler, and add it to the egg white mixture.