Guest

boiler

/ˈbɔɪlə/ · boi·ler
noun
  1. A person who boils something. The boiler was in charge of preparing the morning coffee.
  2. A steam boiler. The steam boiler was a crucial component of the old locomotive.
  3. An apparatus for heating circulating water or other heat transferring liquid. The central heating system relied on a large boiler to warm the entire house.
Did you know? The term 'boiler' has been used in various contexts, including sports, where a 'boiler' is a colloquial term for a player who consistently scores goals, much like a boiler produces steam.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 10, 2026