Definitions of frog

  1. To ornament or fasten ( a coat, etc.) with trogs. See Frog, n., 4.
  2. 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.
  3. The triangular prominence of the hoof, in the middle of the sole of the foot of the horse, and other animals; the fourchette.
  4. 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.
  5. An oblong cloak button, covered with netted thread, and fastening into a loop instead of a button hole.
  6. The loop of the scabbard of a bayonet or sword.
  7. The common English name of the animals belonging to the genus Rana, a genus of amphibians, having four legs with four toes on the fore feet and five on the hind, more or less webbed, a naked boby, no ribs, and no tail. Owing to the last peculiarity frogs belong to the order of amphibians known as Anoura. Frogs are remarkable for the transformations they undergo before arriving at maturity. The young frog; which is named a tadpole, lives entirely in water, breathes by external and then by internal gills, has no legs, a long tail furnished with a membranous fringe like a fin, and a horny; beak, which falls off on the animal passing from the tadpole to the frog state, while the tail is absorbed and legs are developed. The mature frog breathes by lungs, and cannot exist in water without coming to the surface for air. The only British species is the common frog ( R. temporaria), but the tribe is very numerous, other varieties being the edible frog ( R. esculenta) of the south of Europe, eaten in France and South Germany, the hind quarters being the part chiefly used; the bull- frog of America ( R. pipiens), 8 to 12 inches long, so named from its voice resembling the lowing of a bull; the black- smith frog of Janeiro; the Argus frog of America, etc. The tree- frogs belong to the genus Hyla. ( See TREE- FROG.) Frogs be torpid in winter, swim with rapidity, and move by long bounds, being able from the power of the muscles of their hind- legs to leap many times their own length. Their eggs or spawn are to be seen floating in ponds and other stagnant waters in large masses of gelatinous matter.
  8. An ornamental fastening for a frock or gown, generally in the form of a tassel, or spindle- shaped button covered with silk or other material, which is passed through a loop on the breast opposite to that to which it is attached, thus fastening the two breasts together: the loop of the scabbard of a bayonet or sword: in farriery, a sort of tender horn that grows in the middle of the sole of a horse's foot, at some distance from the toe, dividing into two branches, and running toward the heel in the form of a fork: in the United States, a triangular support or crossing plate for the wheels of railway carriages, where one line branches off from another or crosses it at an oblique angle.
  9. An amphibious animal; soft part within a horse's hoof; ornamental button.
  10. A small, tailless, amphibious, web footed animal.
  11. The triangular prominence in the sole of a horse's foot.
  12. A joint of rails of a railway track.
  13. An ornamental fastening of a garment.
  14. The loop of a scabbard.
  15. A sailor's coat or frock.
  16. A common amphibious animal of the batrachian tribe, remarkable for its activity in swimming and leaping; a sort of tender born that grows in the middle of the sole of a horse's foot.
  17. A cloak button, swelled in the middle; a small barrel- shaped silk ornament with tassels, used in the decoration of mantles, & c.
  18. An amphibious four- footed reptile; a disease affecting the foot of the horse: frog- fish, a sea- fish.
  19. A kind of button or tassel on a coat.
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