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The Collaborative International Dictionary

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. (Zo["o]l.) 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.

    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.

  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.

  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.

  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.

  5. The loop of the scabbard of a bayonet or sword.

    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. (Zo["o]l.) See Frog hopper.

    Frog hopper (Zo["o]l.), 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 (Zo["o]l.), the frothy exudation of the frog hopper; -- called also frog spittle. See Cuckoo spit, under Cuckoo.


Frog \Frog\, v. t. To ornament or fasten (a coat, etc.) with trogs. See Frog, n., 4.

Douglas Harper's Etymology Dictionary

Old English frogga "frog," a diminutive of frosc, forsc, frox "frog," a common Germanic word but with different formations that are difficult to explain (cognates: Old Norse froskr, Middle Dutch vorsc, German Frosch "frog"), probably literally "hopper," from PIE root *preu- "to hop" (cognates: Sanskrit provate "hops," Russian prygat "to hop, jump"). Watkins calls the Old English -gga an "obscure expressive suffix."\n

\nThe Latin word for it (rana) is imitative of croaking. Also in Middle English as frok, vrogge, frugge, and with sometimes plural form froggen. Collateral Middle English forms frude, froud are from Old Norse frauðr "frog," and native alternative form frosk "frog" survived in English dialects into the 19c.\n\nI always eat fricasseed frogs regretfully; they remind one so much of miniature human thighs, and make one feel cannibalistic and horrid .... [H. Ellen Brown, "A Girl's Wanderings in Hungary," 1896] \n\nAs a British derogatory term for "Frenchman," 1778 (short for frog-eater), but before that (1650s) it meant "Dutch" (from frog-land "marshy land," in reference to their country). To have a frog in the throat "be hoarse" is from 1892, from frog as a name for a lump or swelling in the mouth (1650s) or throat infections causing a croaking sound.


type of fastening for clothing, 1719, originally a belt loop for carrying a weapon, of unknown origin; perhaps from Portuguese froco, from Latin floccus "flock of wool."


Etymology 1 n. 1 A small tailless amphibian of the order Anura that typically hop. 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 (context Cockney rhyming slang English) 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 The part of a railway switch or turnout where the running-rails cross (from the resemblance to the frog in a horse’s hoof). vb. 1 To hunt or trap frogs. 2 (context transitive biology English) To use a pronged plater to transfer (cells) to another plate. Etymology 2

n. 1 (context offensive English) A French person. 2 (context Canada offensive English) A French-speaking person from Quebec. Etymology 3

n. 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. vb. To ornament or fasten a coat, etc. with frogs. Etymology 4

vb. (context transitive English) To unravel (a knitted garment).

  1. n. any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species [syn: toad, toad frog, anuran, batrachian, salientian]

  2. a person of French descent [syn: Gaul]

  3. a decorative loop of braid or cord [syn: frogs]

  4. [also: frogging, frogged]


In cryptography, FROG is a block cipher authored by Georgoudis, Leroux and Chaves. The algorithm can work with any block size between 8 and 128 bytes, and supports key sizes between 5 and 125 bytes. The algorithm consists of 8 rounds and has a very complicated key schedule.

It was submitted in 1998 by TecApro, a Costa Rican software company, to the AES competition as a candidate to become the Advanced Encryption Standard. Wagner et al. (1999) found a number of weak key classes for FROG. Other problems included very slow key setup and relatively slow encryption. FROG was not selected as a finalist.

Frog (disambiguation)

A frog is a member of a diverse group of amphibians composing the order Anura.

Frog or frogs may also refer to:

Frog (fastening)

A frog (sometimes referred to as a Chinese frog) is an ornamental braiding for fastening the front of a garment that consists of a button and a loop through which it passes.

The purpose of frogs is to provide a closure for a garment while decorating it at the same time. Frogs are usually used on garments that appear Asian in design. Tops with a mandarin collar often use frogs at the shoulder and down the front to keep the two sections of the front closed.

Frogs are usually meant to be a design detail that "stands out". Where many frogs are repeated beyond any reasonable needs for fastening, this purely decorative form is termed 'frogging'.

Frog (horse)

The frog is a part of a horse's hoof, located on the underside, which should touch the ground if the horse is standing on soft footing. The frog is triangular in shape, and extends mid way from the heels toward the toe, covering around 25% of the bottom of the hoof.

Frog (game)

Frog (also known as Toad) is a solitaire card game which is played with two decks of playing cards. Because of its gameplay, it belongs to the same family of solitaire games as Strategy, Sir Tommy, Calculation, and Puss in the Corner.

Thirteen cards are dealt face up to become the reserve, also known as the "Frog." Any aces that are about to be dealt are separated and placed in the foundations; they are not counted in the reserve count. Once the reserve is formed, it is then squared up (i. e. arranged to become one neat pile) and placed on the tableau face up. The aces that are separated in making the reserve are placed next to the reserve. In case there is no ace segregated in making the reserve, an ace is removed from the stock to become the first foundation.

The foundations are built up regardless of suit up to kings. The aces already in the foundations can be built immediately while any ace that becomes available in the game is placed in the foundations.

The cards are dealt one at a time onto one of five wastepiles. It is the player's discretion where each pile is placed as long as it is placed in one of only five wastepiles. The top cards of each wastepile is available for play to the foundations. The same goes for the top card of the reserve. However, once a card is in a wastepile, it stays there until it can be built on the foundations. Also, there is no redeal.

The game ends long after the stock runs out. The game is won when all cards are built in the foundations.

As in the other games mentioned above, it is a good idea to reserve a wastepile for both kings and queens and to build downwards whenever possible in order to win.

Frog (album)

Frog is an album by the Japanese noise musician Merzbow. It was inspired by frogs and utilizes their sounds. Masami Akita exhibited the audio and images at Yokohama Triennale 2001 in an installation called . It was reissued on CD in 2002, retitled Frog+, with a bonus disc of additional material and a screensaver.

Merzbow continued the frog theme on A Taste Of..., Puroland and Houjoue.

The album was used as source material for the remix album Frog Remixed and Revisited.

Frog (models)

Frog was a well-known British brand of flying model aircraft and scale model construction kits from the 1930s to the 1970s. The company's first model, an Interceptor Mk. 4, was launched in 1932 followed in 1936 by a range of 1:72 scale model aircraft kits made from cellulose acetate, which were the world's first.

Polystyrene models were introduced in 1955 that offered kits of aircraft, ships and cars in various scales. By the 1970s Frog's catalogue included a large number of lesser known aircraft types manufactured only by the company as well as a number of ship kits.

The last Frog branded kits were produced in 1976.

Frog (fastener)
Frog (dinghy)

The Frog is a small dinghy with an approximate length of 7'10" and an approximate beam of 4'. Its sprit and foresail rig has of sail area.

Frog (picture books)

Frog is a picture book character created by Dutch author and illustrator Max Velthuijs.

The first Frog title in English was published in 1989, enititled Frog In Love, translated by Klaus Flugge for Andersen Press.

In the Netherlands Frog is known as Kikker and he has become a well known and loved character. In Britain Frog Is A Hero was included in the National Curriculum.

Velthuijs received the prestigious Hans Christian Andersen Medal in 2004 for the illustrations of his own Frog books.

When Max Velthuijs died in January 2005, Carmen Diana Dearden said: ‘like in Frog and the Birdsong, “all his life he sang beautifully for us,” and he will always sing his lovely songs through his books.’

Frog (film)

Frog was a television film made in 1987 starring Shelley Duvall, Scott Grimes, and Elliott Gould.

The central character Arlo Anderson (played by Scott Grimes) is an unpopular youth with an obsession with lizards and amphibians. His life changes for the better when he purchases a frog named Gus. Gus, an Italian prince turned frog several hundred years, earlier retains the ability to speak. He and Arlo seek out a kiss to turn Gus back into a man.

A sequel to the movie titled Frogs! followed in 1991.

Frog (novel)

Frog is a novel by Mo Yan, first released in 2009. The novel is about Gugu (姑姑 "paternal aunt"), the aunt of "Tadpole", the novel's narrator. Gugu performs various abortions after the One Child Policy is introduced. The novel discusses both the reasons why the policy was implemented and the consequences of it.

It was translated into English by Howard Goldblatt, a man from the University of Notre Dame who served as Mo Yan's longtime English translator.

In Mandarin Chinese the word for frog, 蛙 (), sounds similar to the sound made by a baby (哇 ), and the narrator's name means " tadpole".

Janet Maslin of The New York Times wrote that the conflicts between the government abortion planners, who believe that they are doing the right thing, and the prospective parents makes Frog a "startlingly dramatic book". Steven Moore of the Washington Post wrote that since the novel includes scenes of anguish, Frog "is no polemic supporting the necessary if heartless one-child policy."

Usage examples of "frog".

Ayla missed the chorus of marsh frogs, though the flutey trill of variegated toads was still a refrain in the aleatoric medley of night music.

When their clothes came back, Alec and Micum returned to their room at the Frog.

A crystalline alkaloid which is fatal to frogs in a dose of one centigramme, has been isolated from the common Stinging Nettle.

Only the rustle of creatures alongshore and the noise of crickets or an occasional frog could be heard.

In his Nile green frock coat, he looked like a particularly foppish frog, thought Amy disgustedly.

Long after dark, when frogs and crickets had joined the song of the mighty river, Arain came from the temple.

So she did chores right along with Aviendha, accepted chastisement with as good a grace as she could muster, and hopped whenever Amys or Melaine or Bair said frog.

In addition to the frog tongue, in whose banderole she painted a fly, Ellen Cherry gave Boomer the black, bumpy tongue of a chow dog.

Across the level waters, not so many yards from the boat, Budda croaked once like a frog and pitched forward into the sea, carrying the torch with him.

He sat at the centre of his cell like an albino frog, working at some obscure cabbalistic grid, probably a malice puzzle.

The rest of us are taken to the Cercle Sportif, which is sort of a golf club, with a place where the frogs jump horses over fences.

The night was filled with the croaking of frogs, the cleek, cleek, cleek of the black necked stilt, the zi-zi, zi-zi of cicadas, the choc, choc of the crow blackbirds, and the many other night songs of various wild creatures.

Wolfer has been successful in transplanting the mucous membranes of frogs, rabbits, and pigeons to a portion of mucous membrane previously occupied by cicatricial tissue, and was the first to show that on mucous surfaces, mucous membrane remains mucous membrane, but when transplanted to skin, it becomes skin.

And his father knew the plants of the marshlands Bed Straw and Ox Eye, Seedbox and Frog Fruit, Strangleweed and Dropwort and he knew the creatures of the Gulf waters blue crabs, grass shrimp, hermits, coquinas, sea anemones and sea leeches.

Frogs, curarized or chloroformed, are given them, and the experiment which has been fully explained and demonstrated by the professor, is performed by them as far as practicable.