sound truck

noun

a truck carrying a loudspeaker from which speeches, music, etc., are broadcast, as for advertising, campaigning, or the like.

Origin of sound truck

First recorded in 1935–40

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sound truck

Historical Examples of sound truck

A sound-truck in a city, competing with all the traffic noises, will turn no more than fifteen watts of electricity into noise.
Creatures of the Abyss
Murray Leinster

British Dictionary definitions for sound truck

sound truck

noun

US and Canadian a motor vehicle carrying a public address systemalso called (in Britain and certain other countries) loudspeaker van

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