cookie sheetˈcookie sheet noun [countable] American English a flat piece of metal that you bake food on用于烘烤食物的平底金属烤盘bandeja plana de metal sobre la que se hornean alimentospeça plana de metal usada para assar alimentos no forno食べ物を焼くための平らな金属製の板음식을 굽는 데 사용하는 납작한 금속판 SYN baking tray British English