"rooie rug" meaning in Dutch

{
  "etymology_text": "Literally, “red back”. Named after the original red banknotes.",
  "forms": [
    {
      "form": "rooie ruggen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "rooie rug m (plural rooie ruggen)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Netherlands Dutch",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "thousand-guilders banknote",
          "word": "rug"
        }
      ],
      "glosses": [
        "a thousand-guilders banknote"
      ],
      "id": "en-rooie_rug-nl-noun-kzH~dzLr",
      "links": [
        [
          "thousand",
          "thousand"
        ],
        [
          "guilder",
          "guilder"
        ],
        [
          "banknote",
          "banknote"
        ]
      ],
      "raw_glosses": [
        "(Netherlands, historical) a thousand-guilders banknote"
      ],
      "synonyms": [
        {
          "word": "rode rug"
        }
      ],
      "tags": [
        "Netherlands",
        "historical",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌroːi̯.ə ˈrʏx/"
    }
  ],
  "word": "rooie rug"
}

{
  "derived": [
    {
      "english": "thousand-guilders banknote",
      "word": "rug"
    }
  ],
  "etymology_text": "Literally, “red back”. Named after the original red banknotes.",
  "forms": [
    {
      "form": "rooie ruggen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "rooie rug m (plural rooie ruggen)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch multiword terms",
        "Dutch nouns",
        "Dutch nouns with plural in -en",
        "Dutch terms with historical senses",
        "Netherlands Dutch",
        "Pages with 1 entry"
      ],
      "glosses": [
        "a thousand-guilders banknote"
      ],
      "links": [
        [
          "thousand",
          "thousand"
        ],
        [
          "guilder",
          "guilder"
        ],
        [
          "banknote",
          "banknote"
        ]
      ],
      "raw_glosses": [
        "(Netherlands, historical) a thousand-guilders banknote"
      ],
      "tags": [
        "Netherlands",
        "historical",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌroːi̯.ə ˈrʏx/"
    }
  ],
  "synonyms": [
    {
      "word": "rode rug"
    }
  ],
  "word": "rooie rug"
}