"Front arches" refers to the curved structure in the front part of a building or vehicle, like a doorway or the curved shape above a car's front wheels. Full definition
Slimmer and longer light graphics stretch back out of the — dominating — grille and into the wider front arches creating a latent aggression in the front profile. (evo.co.uk)
The foot patterning is the same — back heel to front arch alignment — and is usually part of a vinyasa sequence that moves in and out of Warrior II as a starting point. (fivepillarsyoga.com)
The C43 doesn't get the bulging, aggressive front arches that make the C63 look so menacing. (evo.co.uk)