"Fender arches" refers to the curved and raised sections over the tires on a vehicle. They provide clearance and protection for the tires, as well as add a stylish appearance to the car's design. Full definition
Prominently front fender arches lead the way to strong JDM inspired sculpted sides, but toned down just enough to not be too garish. (thetorquereport.com)
Its sporting character is highlighted by the low and wide stance, dynamically sculpted fender arches, shortened front and rear overhangs and purposeful character lines. (thesupercars.org)
Its front and rear fenders arch gently over the wheels, bending the taut body. (autobytel.com)