from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A heavy-duty truck having a bed that tilts backward to dump loose material.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a heavy truck, for carrying loose, bulk cargo, having a hinged bed that allows the contents to be unloaded onto the ground
from the GNU version of the Collaborative International Dictionary of English
- n. a truck, usually with an open top, the carrying bopdy of which can be tilted so as to emptied its contents without handling.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity
Sorry, no etymologies found.
The Liebherr dump truck is the largest in the world, and the Tesla electric roadster is an actual car, though a Tesla has never been crushed by a Liebherr to my knowledge.