level from front to rear, then it is wedge neutral. Wheel arch The visible opening in the side of a car allowing access to the wheel. Wheel arch gap The space between the tire and the wheel well. Currently there is a trend towards smaller wheel arch gaps. Sometimes referred to as Dead Cat Space due to the fact that, in winter, many domestic cats try to seek shelter in wheel wells of recently parked cars in an attempt to stay warm. Wheelbase The distance measured along the vehicle's length between the centrelines of each axle, which may be approximated from where the front and rear wheels meet the ground. Cars have typical proportions that have a wheelbase of approximately three wheel diameters (±) between the wheels, giving a wheelbase that is approximately four times the outer diameter of the wheel and tire. Wheel well (also wheelhouse, wheelhousing, or bucket) The enclosure or space for the wheel. Windshield trim US DOT Term: Molding of any material between the windshield glazing and the exterior roof surface, including material that covers a part of either the windshield glazing or exterior roof surface. Wings UK term for . See also Car body style Car classification Glossary of mechanical engineering References Automotive industry Automotive design design Wikipedia glossaries using description lists