FOAM n. 3 definitions
he surface of liquids,or in the mouth of an animal, by violent agitation or fermentation; froth; spume; scum; as, the foam of the sea. Foam cock, in steam boilers, a cock at the water level, to blow off impurities.
FROG n.
Zoöl.), a small, leaping, hemipterous insect living on plants. The larvæ are inclosed are frothy liquid called cuckoo spit or frog spit. -- Frog lily (Bot.), the yellow water lily (Nuphar). -- Frog spit (Zoöl.), the frothy exudation of the frog hopper; -- called also frog spittle. See Cuckoo spit, under Cuckoo.…
HOP n.
ps. -- Hop fly (Zoöl.), an aphid (Phorodon humuli), very injurious to hop vines. -- Hop froth fly (Zoöl.), an hemipterous insect (Aphrophora interrupta), allied to the cockoo spits. It often does great damage to hop vines. -- Hop hornbeam (Bot.), an American tree of the genus Ostrya (O.Virginica) the American ironwo…