The motor in a machine, vehicle, or boat is the part that uses electricity or fuel to produce movement, so that the machine, vehicle, or boat can work.

Motor vehicles and boats have a petrol or diesel engine.

Motor is used to describe activities relating to vehicles such as cars and buses.

Some people refer to a car as a motor .

If you motor somewhere, you travel there in a car, usually for pleasure.

If people in a small sailing boat motor somewhere, they use the boat's motor rather than the power of the wind to get there.