Froth (n.) : The bubbles caused in fluids or liquors by fermentation or
agitation; spume; foam; esp., a spume of saliva caused by disease or
Froth (n.) : Any empty, senseless show of wit or eloquence; rhetoric without thought.
Froth (n.) : Light, unsubstantial matter.
Froth (v. t.) : To cause to foam.
Froth (v. t.) : To spit, vent, or eject, as froth.
Froth (v. t.) : To cover with froth; as, a horse froths his chain.
Froth (v. i.) : To throw up or out spume, foam, or bubbles; to foam; as beer froths; a horse froths.