dump truck

or dump·truck

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

Origin of dump truck

An Americanism dating back to 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for dump truck

dump truck

dumper-truck (ˈdʌmpə-)

noun
  1. 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