boiler

中文： 锅炉

1. A person who boils something.
2. A steam boiler.
3. An apparatus for heating circulating water or other heat transferring liquid.
4. A device consisting of a heat source and a tank for storing hot water, typically for space heating, domestic hot water etc., disregarding the source of heat.
5. A kitchen vessel for steaming, boiling or heating food.
6. A sunken reef, especially a coral reef, on which the sea breaks heavily.
7. A tough old chicken only suitable for cooking by boiling.

复数 boilers