
1) Dog breed 2) Partly sly dog 3) Small, high-spirited dog 4) Wirehaired hunter
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https://www.crosswordclues.com/clue/fox-terrier

Fox Terriers are two different breeds of the terrier dog type: the Smooth Fox Terrier and the Wire Fox Terrier. Both of these breeds originated in the 19th century from a handful of dogs who are descended from earlier varieties of British terriers, and are related to other modern white terrier breeds. In addition, a number of breeds have diverged ...
Found on
http://en.wikipedia.org/wiki/Fox_Terrier
[Smooth] The Smooth Fox Terrier is a breed of dog, one of many terrier breeds. It was the first breed in the fox terrier family to be given official recognition by The Kennel Club (circa 1875; breed standard 1876). It is well known, and although not a widely popular breed today outside of hunting and show circles, it is extremely significan...
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http://en.wikipedia.org/wiki/Fox_Terrier_(Smooth)

breed of dog developed in England to drive foxes from their dens. The two varieties of fox terrier, wirehaired and smooth-haired, are structurally ...
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http://www.britannica.com/eb/a-z/f/53

The fox-terrier is two breeds of British dog; smooth and wire-haired, white, with black or tan markings (like a fox-hound), ears drooping, legs straight, originating from around the start of the 19th century. They were originally developed for bolting foxes which had taken to earth during a fox-hunt. However, with the increased speed of foxhounds t...
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http://www.probertencyclopaedia.com/browse/BF.HTM

[
n] - small lively black-and-white terriers formerly used to dig out foxes
Found on
http://www.webdictionary.co.uk/definition.php?query=fox%20terrier
noun small lively black-and-white terriers formerly used to dig out foxes
Found on
https://www.encyclo.co.uk/local/20974

either of two English breeds of small terriers having either a long, wiry coat or a short, flat coat, formerly used for driving foxes from their holes.
Found on
https://www.infoplease.com/dictionary/fox-terrier
No exact match found.