1 a type of light food that is made by mixing together cream and egg whites and adding another food for flavour 奶油冻；奶油慕斯: (a) chocolate/salmon mousse 巧克力╱鲑鱼奶油冻

2 a light substance containing a lot of bubbles that you use to make your hair stay in a particular style （做头发用的）定型剂；慕斯整发剂