The phrase "mesh pattern" refers to a design or arrangement characterized by a network of interlocking lines or shapes. It usually creates a repeating or interconnected pattern that resembles a mesh or net. Full definition
The plastic mesh pattern of the grille is different from the current model as well, while the intake on the hood is far closer to the front of the fascia. (Autoweek.com)
The grille has a subtle F - mesh pattern on the lower half. (mlive.com)
The grille itself is bigger than before to aid engine cooling, and it's finished in a new mesh pattern. (evo.co.uk)