[ grat-n-ey, graht-; French gra-tee-ney ]
/ ˌgræt nˈeɪ, ˌgrɑt-; French gra tiˈneɪ /

verb (used with object), gra·ti·néed, gra·ti·né·ing.

to bake or broil (food) in au gratin style.

Origin of gratiné

1930–35; < French: past participle of gratiner to cook au gratin, derivative of gratin orig., burnt food adhering to the sides and bottom of a pot, derivative of grater to scrape; see grate2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019