boiler
/ˈbɔɪlə/noun
A machine that heats water or another liquid so the heat can be carried through a system.
Example sentences
- “Our boiler broke down, so the house had no hot water all weekend.”
- “The plumber came to fix the boiler before the cold weather arrived.”
In Britain the boiler is the household heating unit, and a broken boiler in winter counts as a domestic emergency.