noun
boiler
BOY-luh
noun
1
A closed vessel or appliance used to heat water or produce steam, typically for heating a building or generating power.
"The old boiler broke down in the middle of winter."
"Steam from the boiler powered the factory's machinery."
How to Use Boiler
Learner’s notesIn plain EnglishA tank or appliance that heats water or makes steam, commonly used for home heating.
Common pairings
gas boiler
boiler room
service the boiler
Word Forms
boilers plural
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The old _____ broke down in the middle of winter.
Etymology
From boil plus the agent suffix -er.