definition of
[froth]

[1] #1 froth n. [foam] a mass of small bubbles formed in or on a liquid; "the beer had a thick head of foam". wn

[2] #2 froth v. [foam, fizz, effervesce, sparkle, form bubbles] become bubbly or frothy or foaming; "The boiling soup was frothing"; "The river was foaming"; "Sparkling water". wn

[3] #3 froth v. [spume, suds] make froth or foam and become bubbly; "The river foamed". wn

[4] #4 froth v. exude or expel foam; "the angry man was frothing at the mouth". wn