Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a truck or van with amplifiers, loudspeakers, etc., used on the streets for disseminating political statements or appeals, advertising announcements, etc.
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A truck or other vehicle having one or more loudspeakers, usually situated on top, typically used for broadcasting political or commercial messages.