grille

grille - noun

small opening (like a window in a door) through which business can be transacted

grating that admits cooling air to car's radiator

a framework of metal bars used as a partition or a grate

grille - thesaurus

Scrabble score = 7

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington