Definition: a mass of small bubbles formed in or on a liquid
Usage: the beer had a thick head of foam
Main entry: froth
Definition: exude or expel foam
Usage: the angry man was frothing at the mouth
Main entry: suds, froth, spume
Definition: make froth or foam and become bubbly
Usage: The river foamed
Main entry: effervesce, sparkle, froth, foam, form bubbles, fizz
Definition: become bubbly or frothy or foaming
Usage: The boiling soup was frothing; The river was foaming; Sparkling water