(n) The Segway is a self-propelled, two-wheeled scooter-like vehicle that can travel up to about 17 mph. The Segway is a self-propelled, two-wheeled scooter-like vehicle that can travel up to about 17 mph.
(n) (trademark) a self-balancing personal transportation device with two wheels; can operate in any level pedestrian environment, Syn. Segway HT, Segway Human Transporter