mousse means “mousse” | MotiTan Spanish Dictionary

More examples

Me apliqué mousse para dar volumen al cabello antes de salir.

I applied hair mousse to add volume to my hair before going out.

Light airy foam.

postre: Sweet course served at the end of a meal.
helado: Frozen dessert made from dairy or fruit juice, served cold.

Vocablo tomado del francés que en gastronomía señala un postre ligero y en cosmética un producto en espuma para peinar.

The Spanish word comes from French mousse 'foam', first used for an airy dessert and later extended to foam-based hair-styling products.

On restaurant menus it normally means a dessert (often written 'mousse de + flavor'); in stores hair products may be labeled espuma or mousse, and the noun is usually masculine (el mousse).