Wing has two automotive meanings. It is the British name for the body panel which incorporates the wheel arch - what Americans would call a fender.

Wing is also the term for an aerofoil-section aerodynamic device which can be mounted on a car to provide downforce (above). Aerodynamic wings on cars are 'upside down' compared to wings on aircraft, so that they generate downforce rather than lift.

W Watt

WOT Wide open throttle

In-car entertainment: a spaeker designed to reproduce only mid to low frequency sound. Woofers are often installed in the door panels.

See also: tweeter, sub-woofer.

Watt (W) is the SI unit of power.

Large power outputs are measured in kilowatts (kW).