A man riding an ATV.
ATV definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. ATVs
a small, amphibious motor vehicle with wheels or tractor treads for traveling over rough ground, snow, and ice, and through shallow water
Origin: a(ll-)t(errain) v(ehicle)
ATV definition by American Heritage Dictionary
abbreviationThe 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.