foam

foam · noun

imported

Definitions

noun

  1. 1.

    A mass of small bubbles formed on or in liquid, typically by agitation or fermentation.

  2. 2.

    A lightweight, spongy material used for cushioning or insulation.

  3. 3.

    (as verb) To produce or emit foam; to be covered with foam.

Phrases & expressions

  • •
    foam at the mouth — to be extremely angry (or literally, to have foam around one's mouth)
  • •
    foam rubber — a spongy synthetic material
  • •
    shaving foam — a lathering cream for shaving

Related words

See also: bubbles, froth, lather
Synonyms: bubbles, froth, lather

Etymology

From Old English fam ("foam, froth"), from Proto-Germanic faimaz.