v. i. To throw up or out spume, foam, or bubbles; to foam; as beer froths; a horse froths. [ 1913 Webster ]

n. [ OE. frothe, Icel. froða; akin to Dan. fraade, Sw. fradga, AS. āfreoðan to froth. ] [ 1913 Webster ]

1. The bubbles caused in fluids or liquors by fermentation or agitation; spume; foam; esp., a spume of saliva caused by disease or nervous excitement. [ 1913 Webster ]

2. Any empty, senseless show of wit or eloquence; rhetoric without thought. Johnson. [ 1913 Webster ]

It was a long speech, but all froth. L'Estrange. [ 1913 Webster ]

3. Light, unsubstantial matter. Tusser. [ 1913 Webster ]

Froth insect (Zool.), the cuckoo spit or frog hopper; -- called also froth spit, froth worm, and froth fly. --
Froth spit. See Cuckoo spit, under Cuckoo. [ 1913 Webster ]

v. t. [ imp. & p. p. Frothed p. pr. & vb. n.. Frothing. ] 1. To cause to foam. [ 1913 Webster ]

2. To spit, vent, or eject, as froth. [ 1913 Webster ]

He . . . froths treason at his mouth. Dryden. [ 1913 Webster ]

Is your spleen frothed out, or have ye more? Tennyson. [ 1913 Webster ]

3. To cover with froth; as, a horse froths his chain. [ 1913 Webster ]

adv. In a frothy manner. [ 1913 Webster ]

n. State or quality of being frothy. [ 1913 Webster ]

n. Exaggerated declamation; rant. [ 1913 Webster ]

a. Free from froth. [ 1913 Webster ]

a. [ Compar. Frothier superl. Frothiest. ] 1. Full of foam or froth, or consisting of froth or light bubbles; spumous; foamy. [ 1913 Webster ]

2. Not firm or solid; soft; unstable. Bacon. [ 1913 Webster ]

3. Of the nature of froth; light; empty; unsubstantial; as, a frothy speaker or harangue. Tillotson. [ 1913 Webster ]