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underfeed

American  
[uhn-der-feed, uhn-der-feed] / ˌʌn dərˈfid, ˈʌn dɛrˌfid /

verb (used with object)

underfed, underfeeding

  1. to feed feed insufficiently.

  2. to feed feed with fuel from beneath.

underfeed British  

verb

  1. to give too little food to

  2. to supply (a furnace, engine, etc) with fuel from beneath

"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

noun

  1. an apparatus by which fuel, etc, is supplied from below

"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 underfeed

First recorded in 1650–60; under- + feed

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.