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definitions

dump truck

or dump·truck

noun

a usually open-topped truck having a body that can be tilted to discharge its contents, as sand or gravel, through an open tailgate.

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Origin of dump truck

An Americanism dating back to 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for dump truck

dump truck

dumper-truck (ˈdʌmpə-)

noun

a small truck used on building sites, having a load-bearing container at the front that can be tipped up to unload the contents
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