| boiler | |
| 1. n. A steam boiler. | |
| 2. n. An apparatus for heating circulating water or other heat transferring liquid. | |
| 3. n. 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. | |
| 4. n. A kitchen vessel for steaming, boiling or heating food. | |
| 5. n. A sunken reef, especially a coral reef, on which the sea breaks heavily. | |
| 6. n. (informal) A tough old chicken only suitable for cooking by boiling. | |
| 7. n. (rare, informal) Boilerplate. | |
