windsplit

English

wind +‎ split

windsplit (plural windsplits )

(automotive ) A stylized crease, accent line, or body contour on a vehicle—typically running along the beltline, fender, hood, or quarter panels—designed to emphasize motion, streamline appearance, or aerodynamics.
- 1905, Catalogs of Michigan-based Automobile Companies, number 4, page 30:
  These lamps have a windsplit, tapering from the front to the apex at the rear, ahd this design is duplicated in the two parking lamps carried on the front fenders.
- 2005, Jim Schild, Original Chevelle, 1964-1972, Motorbooks, page 49:
  The SS hood also included a bright windsplit ornament.