Pronunciation: (frôth, froth), [key]
1. an aggregation of bubbles, as on an agitated liquid or at the mouth of a hard-driven horse; foam; spume.
2. a foam of saliva or fluid resulting from disease.
3. something unsubstantial, trivial, or evanescent: The play was a charming bit of froth.
1. to cover with froth: giant waves frothing the sand.
2. to cause to foam: to froth egg whites with a whisk.
3. to emit like froth: a demagogue frothing his hate.
to give out froth; foam: frothing at the mouth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.