· a mass of small bubbles formed in or on a liquid; "the beer had a thick head of foam"
Synonym(s): foam
Hypernym(s): bubble
· become bubbly or frothy or foaming; "The boiling soup was frothing"; "The river was foaming"; "sparkling water"
Synonym(s): foam, fizz, effervesce, sparkle, form_bubbles
Hypernym(s): bubble
· make froth or foam and become bubbly; "The river foamed"
· exude or expel foam; "the angry man was frothing at the mouth"
Hypernym(s): exude, exudate, transude, ooze_out, ooze