Definition of "motor vehicle" [motor vehicle]

• A self-propelled wheeled conveyance, such as a car or truck, that does not run on rails. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "At Henry Leland’s Cadillac plant in Detroit where, incidentally, consistent interchangeability for all the parts in a motor vehicle was achieved for the first time in 1906, a worker would load each block in a milling machine, then carefully mill it to specification."
• "Page 17 got the governors to call the motor vehicle commissioners together — most of those handled the licenses in the various states — and they met and at that time worked out what was called the Multi-State Agreement."