0 past simple and past participle of froth
1 to (cause a liquid to) have or produce a lot of small bubbles that often rise to the surface:
I saw the man's pay ticket on the cricket ground, and he frothed at the mouth.
More frothed milk makes it weaker than a cappuccino.
Pictures show that he frequently frothed at the mouth.
If breakfast is eaten in a "bar" (coffee shop), it is composed of "cappuccino e brioche" (frothed hot milk with coffee, and a pastry).
