"brushtail" meaning in English

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      "expansion": "Back-formation from brush-tailed",
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  "etymology_text": "Back-formation from brush-tailed. See brush, tail.",
  "forms": [
    {
      "form": "brushtails",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Marsupials",
          "orig": "en:Marsupials",
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      "glosses": [
        "A brushtail possum."
      ],
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          "brushtail possum",
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    }
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  "word": "brushtail"
}

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        "2": "brush-tailed"
      },
      "expansion": "Back-formation from brush-tailed",
      "name": "back-form"
    }
  ],
  "etymology_text": "Back-formation from brush-tailed. See brush, tail.",
  "forms": [
    {
      "form": "brushtails",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "brushtail (plural brushtails)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A brushtail possum."
      ],
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  "word": "brushtail"
}