mousse /muːs/noun 4verb 1forms 3 noun4 •An airy pudding served chilled, particularly chocolate mousse. •A savory dish, of meat or seafood, containing gelatin. •A styling cream used for hair.He slicked his hair back with mousse, but the cowlick still stuck up. •A stable emulsion of water and oil that is created by wave action churning the water where an oil spill occurs.When it washed ashore in Prince William Sound, the crude came in sticky gobs, in tar balls, in what they called mousse, crude whipped to a froth in the action of the sea. — 1994 verb1 •To apply mousse (styling cream).He moussed his hair in the morning and then washed it out at night. formsmoussed · moussing · mousses
