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underprop

[uhn-der-prop]
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verb (used with object), un·der·propped, un·der·prop·ping.
  1. to prop underneath; support; uphold.
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Origin of underprop

First recorded in 1505–15; under- + prop1
Related formsun·der·prop·per, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for underprop

underprop

verb -props, -propping or -propped
  1. (tr) to prop up from beneath
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Derived Formsunderpropper, noun
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