FROTH

froth. Froth, n. foam, emptiness, vain words; v.i. to foam

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Froth (?), n. [[OE. frothe, Icel. froða; akin to Dan. fraade, Sw. fradga, AS. āfreoðan to froth.]] 1. 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.
2. 2. Any empty, senseless show of wit or eloquence; rhetoric without thought. Johnson.
It was a long speech, but all froth. L'Estrange. 3. 3. Light, unsubstantial matter. Tusser.
Froth insect (Zoöl.), the cuckoo spit or frog hopper; — called also froth spit, froth worm, and froth fly. — Froth spit. See Cuckoo spit, under Cuckoo.