grille also grill 
/ˈgrɪl/ noun
plural grilles also grills /ˈgrɪl/ noun [count] : a metal frame with bars running across it that is used to cover or protect something
▪ The vent was covered with a grille. ▪ The truck has a large metal grille at the front. — see picture at car
▪ The vent was covered with a grille. ▪ The truck has a large metal grille at the front. — see picture at car
