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See also: Frog and frög



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A frog (amphibian).


Etymology 1Edit

From Middle English frogge, from Old English frogga, frocga (frog), from Proto-Germanic *fruþgô (frog), a pet-form of Proto-Germanic *fruþ-, *frauþaz (frog), deverbative of Proto-Indo-European *prew- (to jump, hop). Cognate with Old Norse frauki (frog), Sanskrit प्लवक (plavaka, frog), Lithuanian sprūgti (to leave, escape), Russian пры́гнуть (prýgnutʹ, to leap), пры́гать (prýgatʹ, to jump around), Albanian fryj (to blow)).[1] See also frosh, frosk.


The frog of a violin bow is labeled in this diagram.
the frog of a horse's hoof (dark triangular portion of bottom of hoof)
some frog designs ("part of railroad switch")

frog (plural frogs)

  1. A small tailless amphibian of the order Anura that typically hops.
  2. The part of a violin bow (or that of other similar string instruments such as the viola, cello and contrabass) located at the end held by the player, to which the horsehair is attached.
  3. (Cockney rhyming slang) Road. Shorter, more common form of frog and toad.
  4. The depression in the upper face of a pressed or handmade clay brick.
  5. An organ on the bottom of a horse’s hoof that assists in the circulation of blood.
  6. (rail transport) The part of a railway switch or turnout where the running-rails cross (from the resemblance to the frog in a horse’s hoof).
Derived termsEdit
  1. ^ J.P. Mallory & D.Q. Adams, eds, Encyclopedia of Indo-European Culture, s.v. "Jump" (London: Fitzroy Dearborn, 1997), 323.
See alsoEdit


frog (third-person singular simple present frogs, present participle frogging, simple past and past participle frogged)

  1. To hunt or trap frogs.
  2. (transitive, biology) To use a pronged plater to transfer (cells) to another plate.
  3. (transitive, cooking) To spatchcock (a chicken).
Derived termsEdit

Etymology 2Edit

From frog legs, stereotypical food of the French. Compare rosbif (English person), from roast beef, corresponding French term for English, likewise based on stereotypical food.


frog (plural frogs)

  1. (offensive) A French person.
    Synonyms: baguette
  2. (Canada, offensive) A French-speaking person from Quebec.
  • (French person): rosbif (of an English, by French)


See alsoEdit


Etymology 3Edit

A frog (toggle)

Unknown. Possibly from Portuguese froco (flock), from Latin floccus (flock).


frog (plural frogs)

  1. A leather or fabric loop used to attach a sword or bayonet, or its scabbard, to a waist or shoulder belt.
  2. An ornate fastener for clothing consisting of an oblong button (covered with netted thread), toggle, or knot, that fits through a loop.
    • 1844, Alexander Dumas, The Count of Monte Cristo:
      The visitor was about fifty-two years of age, dressed in one of the green surtouts, ornamented with black frogs, which have so long maintained their popularity all over Europe.


frog (third-person singular simple present frogs, present participle frogging, simple past and past participle frogged)

  1. To ornament or fasten a coat, etc. with frogs.

Etymology 4Edit

Supposedly from ribbit (sound made by a frog) sounding similar to "rip it".


frog (third-person singular simple present frogs, present participle frogging, simple past and past participle frogged)

  1. (transitive) To unravel (a knitted garment).

frog” in Douglas Harper, Online Etymology Dictionary, 2001–2018.



Borrowed from English frog.



frog m, f (genitive singular froig, nominative plural froganna)

  1. frog (amphibian; organ in a horse’s foot)


Derived termsEdit


Irish mutation
Radical Lenition Eclipsis
frog fhrog bhfrog
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

Further readingEdit

  • "frog" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
  • Entries containing “frog” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
  • Entries containing “frog” in New English-Irish Dictionary by Foras na Gaeilge.