Froth, v. t. [imp. & p. p. Frothed p. pr. & vb. n.. Frothing.]
1. To cause to foam.
2. To spit, vent, or eject, as froth.
He . . . froths treason at his mouth. --Dryden.
Is your spleen frothed out, or have ye more? --Tennyson.
3. To cover with froth; as, a horse froths his chain.