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steam boiler

American  

noun

  1. a receptacle in which water is boiled to generate steam.

steam-boiler British  

noun

  1. a vessel in which water is boiled to generate steam. An industrial boiler usually consists of a system of parallel tubes through which water passes, suspended above a furnace

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of steam boiler

First recorded in 1795–1805

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.