Noun
grating that admits cooling air to car's radiator
Source: WordNetIt gets chrome radiator grille bars, two-tone underbody protection in frozen grey matt with chrome trim, air-breather in chrome and classically designed 19” light-alloy wheels. Source: Internet
The radiator grille and bonnet, for instance, have been made taller because elongating the back can make the front look droopy. Source: Internet