au gratin

• POS: Adjective
• HYPHEN: au gra=tin

CIDE DICTIONARY

au gratin,  [F.].

 With a crust made by browning in the oven, especially by sprinkling with bread crumbs or grated cheese and browning in a broiler; as, spaghetti may be served au gratin.  [Webster 1913 Suppl.]

OXFORD DICTIONARY

au gratin, adj. Cookery cooked with a crisp brown crust usu. of breadcrumbs or melted cheese.

Etymology

F f. gratter, = by grating, f. GRATE(1)