The bubbles caused in fluids or liquors by fermentation or agitation; spume; foam; esp., a spume of saliva caused by disease or nervous excitement.

To cause to foam.

To throw up or out spume, foam, or bubbles; to foam; as beer froths; a horse froths.

A type of foam in which solid particles are also dispersed in the liquid (in addition to the gas bubbles).

a mass of small bubbles formed in or on a liquid

form bubbles; "The boiling soup was frothing"; "The river was foaming"; "Sparkling water"

make froth or foam and become bubbly; "The river foamed"

a solid or liquid containing homogeneously dispersed solid particles

Froth is foam consisting of bubbles in a liquid.