If you macerate food, or if it macerates, you soak it in a liquid for a period of time so that it absorbs the liquid.
例句
I like to macerate the food in liqueur for a few minutes before serving...我喜欢先把这种食物在利口酒里浸泡几分钟再端上桌。Cognac is also used to macerate and flavour ingredients and casseroles...干邑白兰地也用于浸渍食材，给砂锅炖菜提味。