foam

/foʊm/
verb
  1. To produce or form foam; to become covered with foam.
    • The soap began to foam as she rubbed her hands together.
    • The mad dog foamed at the mouth.
    • The river foamed over the rapids.
noun
  1. A mass of small bubbles formed on the surface of a liquid, often by agitation or fermentation.
    • The waves crashed against the rocks, leaving white foam on the shore.
    • Soap foam filled the sink as she washed the dishes.
    • He poured the beer carefully to avoid too much foam.
  2. A lightweight, spongy material made from a solid containing many gas bubbles, used for cushioning or insulation.
    • He used foam padding to protect the fragile items in the box.
    • The sofa cushions are filled with soft foam.
    • The mattress is made of memory foam that molds to your body.
Synonyms
What does "foam" mean? | whatsthatwordmean | whatsthatwordmean