"mouth" of Car, Allows Air Into Engine Area

This page is the CodyCross answer for the clue below from Sports, Group 157, Puzzle 4 (Olympic Fencing).

Question is: "mouth" of Car, Allows Air Into Engine Area

and the answer is: GRILLE

Word Meaning:

GRILLE — Alternative form of grill (only in the senses of "grating over opening", "grating on the front of a vehicle", and "window divider")

Definitions from Wiktionary.