"work dog" meaning in English

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  "etymology_text": "From work + dog.",
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        {
          "ref": "1944, Emily Carr, “The Cousins’ Bobtails”, in The House of All Sorts:",
          "text": "Wisps of straw stuck in the workdog’s coat, mud was on her feet, she reeked of cow.",
          "type": "quote"
        },
        {
          "ref": "2012 April 13, Emma Gray, “Love me, love my dogs”, in The Daily Mail:",
          "text": "Roy is my best work dog, a real powerhouse. He is very intelligent and I can trust him to do anything — whether it’s bringing in the big aggressive male sheep […] or gently catching a baby lamb who’s become separated from its mother.",
          "type": "quote"
        },
        {
          "ref": "2013 August 26, Dan Nosowitz, “I Met the World’s Smartest Dog”, in Popular Science:",
          "text": "Border collies are the only dogs I like. […] They are work dogs, not lap dogs.",
          "type": "quote"
        },
        {
          "ref": "2015, Stephen Sumner, Phantom Pain: A Memoire: It’s All in Your Head:",
          "text": "He's such a good dog. He's headstrong and incorrigible and relentless and I love him for it. He's half French Briard and half Maremmane, the South Tuscan sheepdog. So he's all workdog and smart as a whip.",
          "type": "quote"
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      ],
      "glosses": [
        "A working dog; a dog breed created to perform specific tasks (e.g. herding)."
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          "working dog",
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          "breed",
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          "herding",
          "herding"
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        {
          "word": "workdog"
        }
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  "word": "work dog"
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  ],
  "etymology_text": "From work + dog.",
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        {
          "ref": "1944, Emily Carr, “The Cousins’ Bobtails”, in The House of All Sorts:",
          "text": "Wisps of straw stuck in the workdog’s coat, mud was on her feet, she reeked of cow.",
          "type": "quote"
        },
        {
          "ref": "2012 April 13, Emma Gray, “Love me, love my dogs”, in The Daily Mail:",
          "text": "Roy is my best work dog, a real powerhouse. He is very intelligent and I can trust him to do anything — whether it’s bringing in the big aggressive male sheep […] or gently catching a baby lamb who’s become separated from its mother.",
          "type": "quote"
        },
        {
          "ref": "2013 August 26, Dan Nosowitz, “I Met the World’s Smartest Dog”, in Popular Science:",
          "text": "Border collies are the only dogs I like. […] They are work dogs, not lap dogs.",
          "type": "quote"
        },
        {
          "ref": "2015, Stephen Sumner, Phantom Pain: A Memoire: It’s All in Your Head:",
          "text": "He's such a good dog. He's headstrong and incorrigible and relentless and I love him for it. He's half French Briard and half Maremmane, the South Tuscan sheepdog. So he's all workdog and smart as a whip.",
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        "A working dog; a dog breed created to perform specific tasks (e.g. herding)."
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          "herding"
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    {
      "word": "workdog"
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  "word": "work dog"
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