[froth] n, pl froths [ME, fr. ON frotha; akin to OE afreothan to froth] (14c) 1 a: bubbles formed in or on a liquid: foam b: a foamy slaver sometimes accompanying disease or exhaustion
2: something resembling froth (as in being unsubstantial, worthless, or light and airy)
[2]froth vi (14c) 1: to foam at the mouth
2: to throw froth out or up
3: to become covered with or as if with froth "whole groves ~ with nodding blossoms --Amy Lovejoy" ~ vt 1: to cause to foam
2: to cover with froth
3: vent, voice