a light two-wheeled vehicle containing a motor for propulsion. It is lighter in construction and has a lower speed than a motorcycle.
a small motorcycle with a low frame and small weels and elevated handlebars.
a bicyle with a motor attached for propulsion.
A two-wheeled vehicle having a motor attached so as to be self-propelled. In common usage, a motorcycle is of heavier construction with larger wheels, a more powerful motor, and a higher maximum speed than a motorbike.