MOTORCYCLE. Every motor vehicle other than a tractor having a seat or saddle for the use of the operator and designed to travel on not more than three wheels in contact with the ground, including, but not limited to, motor vehicles known as MOTOR-DRIVEN CYCLE, MOTOR SCOOTER, AUTOCYCLE, CAB-ENCLOSED MOTORCYCLE, or MOTORCYCLE without regard to weight or brake horsepower.
(ORC 4511.01(C))