noun
Definition: A light and airy dish or dessert made by combining whipped cream, eggs, and sometimes gelatin, often flavored with chocolate or fruit.
Example: For dessert, we had a delicious chocolate mousse that was rich and creamy.
transitive verb
Definition: To apply a light, fluffy substance, often used in cooking or hair styling, to something.
Example: She decided to mousse her hair for the party to give it more volume.