Segway

Segway Human Transporter noun (trademark) a self-balancing personal transportation device with two wheels; can operate in any level pedestrian environment
Found on https://www.encyclo.co.uk/local/20974

Segway

Segway The Segway is described by the company as a two-wheeled, self-balancing, electric transportation device that uses a patented dynamic stabilization technology. The Segway HT (Segway Human Transporter) is a two-wheeled, self-balancing, computer-controlled, battery-powered gyroscopic light-mode transportation device invented by Dean Kamen and ...
Found on http://www.wordinfo.info/words/index/info/view_unit/3939/
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