bain-marie(noun)

a large pan that is filled with hot water; smaller pans containing food can be set in the larger pan to keep food warm or to cook food slowly

bain-marie(Noun)

in cooking, a large pan containing hot water, into which other smaller pans are set in order to cook food slowly, or to keep food warm

Bain-marie(noun)

a vessel for holding hot water in which another vessel may be heated without scorching its contents; -- used for warming or preparing food or pharmaceutical preparations