"cat milk" meaning in English

{
  "forms": [
    {
      "form": "cat milks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "cat milk (usually uncountable, plural cat milks)",
      "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"
        }
      ],
      "glosses": [
        "Milk formulated to be suitable for cats."
      ],
      "id": "en-cat_milk-en-noun-~cXbgZmj",
      "links": [
        [
          "Milk",
          "milk"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "milk suitable for cats",
          "word": "kissanmaito"
        }
      ]
    }
  ],
  "word": "cat milk"
}

{
  "forms": [
    {
      "form": "cat milks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "cat milk (usually uncountable, plural cat milks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns"
      ],
      "glosses": [
        "Milk formulated to be suitable for cats."
      ],
      "links": [
        [
          "Milk",
          "milk"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "milk suitable for cats",
      "word": "kissanmaito"
    }
  ],
  "word": "cat milk"
}