1. a motor vehicle with a four-wheel drive transmission system; [syn: four-wheel drive, 4WD]
2. a transmission that provides power directly to all four wheels of a motor vehicle; [syn: four-wheel drive, 4WD]
WordNet (r) 3.0 (2006):
four-wheel drive
n 1: a motor vehicle with a four-wheel drive transmission system
[syn: four-wheel drive, 4WD]
2: a transmission that provides power directly to all four
wheels of a motor vehicle [syn: four-wheel drive, 4WD]