Frog spit

Frog \Frog\ (fr[o^]g), n. [AS. froggu, frocga a frog (in
   sensel); akin to D. vorsch, OHG. frosk, G. frosch, Icel.
   froskr, fraukr, Sw. & Dan. fr["o].]
   1. (Zool.) An amphibious animal of the genus {Rana} and
      related genera, of many species. Frogs swim rapidly, and
      take long leaps on land. Many of the species utter loud
      notes in the springtime.
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   Note: The edible frog of Europe ({Rana esculenta}) is
         extensively used as food; the American bullfrog ({R.
         Catesbiana}) is remarkable for its great size and loud
         voice.
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   2. [Perh. akin to E. fork, cf. frush frog of a horse.]
      (Anat.) The triangular prominence of the hoof, in the
      middle of the sole of the foot of the horse, and other
      animals; the fourchette.
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   3. (Railroads) A supporting plate having raised ribs that
      form continuations of the rails, to guide the wheels where
      one track branches from another or crosses it.
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   4. [Cf. fraco of wool or silk, L. floccus, E. frock.] An
      oblong cloak button, covered with netted thread, and
      fastening into a loop instead of a button hole.
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   5. The loop of the scabbard of a bayonet or sword.
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   {Cross frog} (Railroads), a frog adapted for tracks that
      cross at right angles.

   {Frog cheese}, a popular name for a large puffball.

   {Frog eater}, one who eats frogs; -- a term of contempt
      applied to a Frenchman by the vulgar class of English.

   {Frog fly}. (Zool.) See {Frog} hopper.

   {Frog hopper} (Zool.), a small, leaping, hemipterous insect
      living on plants. The larv[ae] are inclosed in a frothy
      liquid called {cuckoo spit} or {frog spit}.

   {Frog lily} (Bot.), the yellow water lily ({Nuphar}).

   {Frog spit} (Zool.), the frothy exudation of the {frog
      hopper}; -- called also {frog spittle}. See {Cuckoo spit},
      under {Cuckoo}.
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Cuckoo \Cuck"oo\ (k[oo^]k"[=oo]), n. [OE. coccou, cukkow, F.
   coucou, prob. of imitative origin; cf. L. cuculus, Gr. ????,
   Skr. k?ki?a, G. kuckuk, D. koekoek.] (Zool.)
   A bird belonging to {Cuculus}, {Coccyzus}, and several allied
   genera, of many species.
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   Note: The European cuckoo ({Cuculus canorus}) builds no nest
         of its own, but lays its eggs in the nests of other
         birds, to be hatched by them. The American
         yellow-billed cuckoo ({Coccyzus Americanus}) and the
         black-billed cuckoo ({Coccyzus erythrophthalmus}) build
         their own nests.
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   {Cuckoo clock}, a clock so constructed that at the time for
      striking it gives forth sounds resembling the cry of the
      cuckoo.

   {Cuckoo dove} (Zool.), a long-tailed pigeon of the genus
      {Macropygia}. Many species inhabit the East Indies.

   {Cuckoo fish} (Zool.), the European red gurnard ({Trigla
      cuculus}). The name probably alludes to the sound that it
      utters.

   {Cuckoo falcon} (Zool.), any falcon of the genus {Baza}. The
      genus inhabits Africa and the East Indies.

   {Cuckoo maid} (Zool.), the wryneck; -- called also {cuckoo
      mate}.

   {Cuckoo ray} (Zool.), a British ray ({Raia miraletus}).

   {Cuckoo spit}, or {Cuckoo spittle}.
   (a) A frothy secretion found upon plants, exuded by the
       larvae of certain insects, for concealment; -- called
       also {toad spittle} and {frog spit}.
   (b) (Zool.) A small hemipterous insect, the larva of which,
       living on grass and the leaves of plants, exudes this
       secretion. The insects belong to {Aphrophora},
       {Helochara}, and allied genera.

   {Ground cuckoo}, the chaparral cock.
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