A two-wheeled automobile resembling a heavy bike, occasionally having two saddles and a sidecar with a third wheel.
An open-seated motor-powered vehicle with two tires.
A two-wheeled automobile having a motor affixed to be able to be self-propelled. In accordance usage, a motorcycle is of weightier building with larger rims, an even more effective motor, and a greater maximum rate than a motorbike.
A bicycle or tricycle run by some form of engine as well as by pedals.