Froth

froth, n. the foam on liquids caused by boiling, or any agitation: ( fig. ) an empty show in speech: any light matter.— v.t. to cause froth on.— v.i. to throw up froth.— ns. Froth′ery , mere froth; Froth′-fly , also Froth′-hop′per , Frog′-hop′per , Frog′-spit , common names for numerous insects parasitic on plants, on which the larvæ and pupæ are found surrounded by a frothy spittle.— adv. Froth′ily .— n. Froth′ine .— adjs. Froth′le , free from froth; Froth′y , full of froth or foam: empty: unsubstantial. [Scand., as in Ice. froða , Dan. fraade .]