all-terrain vehicle: Meaning and Definition of

all'-ter•rain' ve"hicle

Pronunciation: (ôl'tu-rān'), [key]
  1. a vehicle with treads, wheels, or both, designed to traverse varied, uneven terrain as well as roads. Abbr.: ATV
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.