grille.

An open framework of bars or slats covering an opening while allowing air, sound, or sight through.

Use it for

Words that belong together

• ventilation grille
• iron grille
• decorative grille

On the page

Warm air rose through the floor grille.

A decorative grille concealed the ventilation duct above the door.

He could make out a light behind the window's iron grille.

Usage notes

Primary category: architecture. Common over vents and openings; grille is the usual architectural spelling, unlike cooking grill. Count noun: grilles.