FOAM • verb: foam; 3rd person present: foams; past tense: foamed; past participle: foamed; gerund or present participle: foaming

1. A mass of small bubbles formed on or in liquid, typically by agitation or fermentation. “a beer with a thick head of foam”. 2. A mass of small bubbles formed from saliva or sweat. 3. The sea. “Venus rising from the foam”.

Synonyms: froth, spume, surf, spindrift, spray; fizz, effervescence, mousse, bubbles, head; lather, suds.

Origin: Old English fām (noun), fǣman (verb), of West Germanic origin; related to Old High German feim (noun), feimen (verb).