four-wheel drive

Noun four-wheel drive has 2 senses

• four-wheel drive(n = noun.artifact) 4wd - a motor vehicle with a four-wheel drive transmission system;
is a kind of automotive vehicle, motor vehicle

• four-wheel drive(n = noun.artifact) 4wd - a transmission that provides power directly to all four wheels of a motor vehicle;
is a kind of transmission, transmission system