"spa blauw" meaning in Dutch

{
  "etymology_text": "From the Belgian mineral water brand Spa + blauw (“blue”).",
  "forms": [
    {
      "form": "spa blauws",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "spa blauwtje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-s",
        "3": "spa blauwtje"
      },
      "expansion": "spa blauw m (plural spa blauws, diminutive spa blauwtje n)",
      "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": "Dutch entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Dutch genericized trademarks",
          "parents": [
            "Genericized trademarks",
            "Terms by etymology",
            "Trademarks",
            "Terms by usage"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "still mineral water (not sparkling)"
      ],
      "id": "en-spa_blauw-nl-noun-cYv7Er8U",
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "spa blauw"
}

{
  "etymology_text": "From the Belgian mineral water brand Spa + blauw (“blue”).",
  "forms": [
    {
      "form": "spa blauws",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "spa blauwtje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-s",
        "3": "spa blauwtje"
      },
      "expansion": "spa blauw m (plural spa blauws, diminutive spa blauwtje n)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch entries with language name categories using raw markup",
        "Dutch genericized trademarks",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch multiword terms",
        "Dutch nouns",
        "Dutch nouns with plural in -s"
      ],
      "glosses": [
        "still mineral water (not sparkling)"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "spa blauw"
}