"rat house" meaning in English

{
  "forms": [
    {
      "form": "rat houses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rat house (plural rat houses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1998, Keith B. Saunders, Myall Road, page 91:",
          "text": "I've had enough, mate. A bloody man is starting to get the Joe Blakes and the dry retches and if a man keeps this up I'm sure to finish in the rat house with the DTs at this rate.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A mental hospital."
      ],
      "id": "en-rat_house-en-noun-lLY5zhGw",
      "links": [
        [
          "mental hospital",
          "mental hospital"
        ]
      ],
      "raw_glosses": [
        "(Australia, slang) A mental hospital."
      ],
      "synonyms": [
        {
          "word": "rathouse"
        }
      ],
      "tags": [
        "Australia",
        "slang"
      ]
    }
  ],
  "word": "rat house"
}

{
  "forms": [
    {
      "form": "rat houses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rat house (plural rat houses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "1998, Keith B. Saunders, Myall Road, page 91:",
          "text": "I've had enough, mate. A bloody man is starting to get the Joe Blakes and the dry retches and if a man keeps this up I'm sure to finish in the rat house with the DTs at this rate.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A mental hospital."
      ],
      "links": [
        [
          "mental hospital",
          "mental hospital"
        ]
      ],
      "raw_glosses": [
        "(Australia, slang) A mental hospital."
      ],
      "tags": [
        "Australia",
        "slang"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rathouse"
    }
  ],
  "word": "rat house"
}