Definition of mousse noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//muːs//
    ; NAmE NAmE//muːs//
    [countable, uncountable] Sweets and desserts, Hair products and accessories
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  1. 1 a cold dessert (= a sweet dish) made with cream and egg whites and flavoured with fruit, chocolate, etc.; a similar dish flavoured with fish, vegetables, etc. a chocolate/strawberry mousse salmon/mushroom mousse See related entries: Sweets and desserts
  2. 2a substance that is sold in aerosols, for example the light white substance that is used on hair to give it a particular style or to improve its condition See related entries: Hair products and accessories
  3. Word Originmid 19th cent.: from French, ‘moss or froth’.
See the Oxford Advanced American Dictionary entry: mousse