1.
foil, aluminum foil
Thin sheets of aluminum used in cooking for wrapping food, lining baking trays, and grilling. Short for アルミホイル.
Usage
Usually short for アルミホイル (aluminum foil). ホイル alone almost always refers to cooking foil in everyday Japanese.
ホイル焼き is a popular Japanese cooking method where fish, mushrooms, and vegetables are sealed in foil packets and baked or grilled, allowing the food to steam in its own juices.