1. Any of various chilled, airy desserts made with flavored whipped cream, gelatin, or eggs: chocolate mousse.
2. A molded dish containing meat, fish, or shellfish combined with whipped cream or egg whites and often gelatin.
3. An aerosol foam used to control and style the hair.
tr.v. moussed, mouss·ing, mouss·es
To apply a styling foam to (the hair).
[French, foam, mousse, from Old French, moss, foam, partly of Germanic origin and partly from Latin mulsa, hydromel, from feminine of mulsus, honey-sweet; see melit- in the Appendix of Indo-European roots.]
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