"rat-goose" meaning in English

{
  "forms": [
    {
      "form": "rat-geese",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rat-geese"
      },
      "expansion": "rat-goose (plural rat-geese)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Geese",
          "orig": "en:Geese",
          "parents": [
            "Anatids",
            "Poultry",
            "Freshwater birds",
            "Birds",
            "Livestock",
            "Vertebrates",
            "Agriculture",
            "Animals",
            "Chordates",
            "Applied sciences",
            "Lifeforms",
            "Sciences",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "brent goose"
      ],
      "id": "en-rat-goose-en-noun-VT4-Mar9",
      "links": [
        [
          "brent goose",
          "brent goose"
        ]
      ],
      "raw_glosses": [
        "(obsolete, dialect) brent goose"
      ],
      "tags": [
        "dialectal",
        "obsolete"
      ]
    }
  ],
  "word": "rat-goose"
}

{
  "forms": [
    {
      "form": "rat-geese",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rat-geese"
      },
      "expansion": "rat-goose (plural rat-geese)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dialectal terms",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with obsolete senses",
        "en:Geese"
      ],
      "glosses": [
        "brent goose"
      ],
      "links": [
        [
          "brent goose",
          "brent goose"
        ]
      ],
      "raw_glosses": [
        "(obsolete, dialect) brent goose"
      ],
      "tags": [
        "dialectal",
        "obsolete"
      ]
    }
  ],
  "word": "rat-goose"
}