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donkey engine

British  

noun

  1. a small auxiliary engine, such as one used for pumping water into the boilers of a steamship

"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

Example Sentences

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A.--By means of a separate pump worked sometimes by hand, but usually by a small separate engine called the Donkey engine.

From A Catechism of the Steam Engine by Bourne, John, C.E.

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.