Noun

• S: (n) boiler, steam boiler (sealed vessel where water is converted to steam)
• direct hyponym / full hyponym
• S: (n) auxiliary boiler, donkey boiler ((nautical) an extra boiler (as a ship's boiler that is used while the ship is in port))
• part meronym
• member meronym
• S: (n) boilerplate (thick plate iron used in the production of boilers)
• member holonym
• direct hypernym / inherited hypernym / sister term
• S: (n) plate iron (a plate of iron)
• S: (n) plate (a sheet of metal or wood or glass or plastic)
• S: (n) sheet, flat solid (a flat artifact that is thin relative to its length and width)
• S: (n) artifact, artefact (a man-made object taken as a whole)
• S: (n) whole, unit (an assemblage of parts that is regarded as a single entity) "how big is that part compared to the whole?"; "the team is a unit"
• S: (n) object, physical object (a tangible and visible entity; an entity that can cast a shadow) "it was full of rackets, balls and other objects"
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• direct hypernym / inherited hypernym / sister term
• part holonym
• derivationally related form
• S: (n) kettle, boiler (a metal pot for stewing or boiling; usually has a lid)