A frog (toggle)



  • A small tailless amphibian of the order Anura that typically hops.
  • 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.
  • Road. Shorter, more common form of frog and toad.
  • The depression in the upper face of a pressed or handmade clay brick.
  • An organ on the bottom of a horse’s hoof that assists in the circulation of blood.
  • The part of a railway switch or turnout where the running-rails cross (from the resemblance to the frog in a horse’s hoof).
  • A French person.
  • A French-speaking person from Quebec.
  • A leather or fabric loop used to attach a sword or bayonet, or its scabbard, to a waist or shoulder belt.
  • An ornate fastener for clothing consisting of an oblong button (covered with netted thread), toggle, or knot, that fits through a loop.



  • {{multiple images
  • |direction=vertical
  • |image1=Agalychnis callidryas.jpg|caption1=A frog (amphibian, 1).
  • |image2=Violin bow parts.jpg|caption2=The frog (2) of a violin bow.
  • |image3=Hoof bottom view.jpg|caption3=The frog (5) of a horse's hoof (dark triangular portion of bottom of hoof).
  • From Middle English frogge, from Old English frocga, from Proto-Germanic *fruþgô.
  • From frog legs, stereotypical food of the French. Compare French rosbif, from roast beef, corresponding term for English, likewise based on stereotypical food; and Kraut for Germans.
  • Unknown. Possibly borrowed from Portuguese froco, from Latin floccus.
  • Supposedly from ribbit sounding similar to "rip it".

Modern English dictionary

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