[机] 水浴, 水浴器

[ 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
<noun.artifact>

Bain-marie \Bain`-ma`rie"\, n. [F.]
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.