Boiler :: Boiler (n.) A vessel in which any thing is boiled.
Boiler :: Boiler (n.) A strong metallic vessel, usually of wrought iron plates riveted together, or a composite structure variously formed, in which steam is generated for driving engines, or for heating, cooking, or other purposes..
Boilery :: Boilery (n.) A place and apparatus for boiling, as for evaporating brine in salt making..