powerchair
n.— «A powerchair, another term for a motorized wheelchair, moves by means of an electric motor. To control the engine, users may use a keyboard, joystick, or similar instrument. Such motorized wheelchairs are designed for use on all surfaces and all weather conditions for maximum versatility.» —“Power Wheelchairs: Power At Your Fingertips” PR-GB.com (Sofia, Bulgaria) July 25, 2007. (source: Double-Tongued Dictionary)