An apparatus for heating circulating water or other heat transferring liquid.
An old woman.
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.
A sunken reef, especially a coral reef, on which the sea breaks heavily.
A person who boils something.
A steam boiler.
Boilerplate.
A tough old chicken only suitable for cooking by boiling.
A kitchen vessel for steaming, boiling or heating food.
A space heater that transfers heat by convection; a radiator