ˈbȯilə(r) noun
( -s )
Etymology: boil (II) + -er
1. : one that boils: as
a. : one that boils ingredients (as of candy, paint, soap) as part of a manufacturing process
b. : a worker who boils fabric
2.
a. : a vessel (as a kettle or evaporator) used for boiling
b. : the part of a steam generator in which water is converted into steam and which consists usually of metal shells, headers, and tubes that form the container for the steam and water under pressure
c. : a tank in which water is heated or hot water is stored (as for domestic use)
3. : something that is capable of boiling or that is especially suitable for boiling
milk is a quick boiler
these chickens are good boilers
4. : a submerged reef ; especially : a coral reef where the sea breaks