boiler

Short definition from Wiktionary

Noun

1. 1
   A person who boils something.
2. 2
   A steam boiler.
3. 3
   An apparatus for heating circulating water or other heat transferring liquid.
4. 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. 5
   A kitchen vessel for steaming, boiling or heating food.
6. 6
   A sunken reef, especially a coral reef, on which the sea breaks heavily.
7. 7
   A tough old chicken only suitable for cooking by boiling.
8. 8
   An old woman.
9. 9
   Boilerplate.
10. 10
    Ellipsis of Brompton boiler.