"Air apertures" refers to openings or spaces that allow air to flow through. It could refer to holes, vents, or any other kind of passages that allow air to pass in and out. Full definition
It shows its potential through its muscular proportions, accentuated wheel arches and even larger air apertures. (thetorquereport.com)
A matt black grille on the nose with flanking air apertures are the distinguishing features, while the matt theme also extends to the rear air outlets, too. (evo.co.uk)
Limited to a production run of 999 units, in Coupe and Spyder variants, the Audi R8 RWS is identifiable by matte black elements like the grille and air apertures of the R8. (torquingcars.com)