air dam


air dam

n. A metal or plastic barrier extending down from the front bumper of a motor vehicle and intended to enhance aerodynamics and stability by blocking the flow of turbulent air under the chassis.

air dam

n (Automotive Engineering) any device, such as a spoiler, that reduces air resistance and increases the stability of a car, aircraft, etc

air′ dam`


n. a spoiler mounted at the front of an automobile that reduces air flow on the underside of the chassis to increase stability. [1960–65]