"water core" meaning in English

{
  "forms": [
    {
      "form": "water cores",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "water core (plural water cores)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "64 5 32",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A watery strip of tissue running through the main part of an apple."
      ],
      "id": "en-water_core-en-noun-2zAIHDuZ",
      "links": [
        [
          "tissue",
          "tissue"
        ],
        [
          "apple",
          "apple"
        ]
      ]
    },
    {
      "glosses": [
        "An apple with such a strip of tissue."
      ],
      "id": "en-water_core-en-noun-Q4m-gX4W"
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Metalworking",
          "orig": "en:Metalworking",
          "parents": [
            "Crafts",
            "Metallurgy",
            "Society",
            "Metals",
            "Technology",
            "All topics",
            "Matter",
            "Fundamental",
            "Chemistry",
            "Nature",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A hollow core through which water may be passed."
      ],
      "id": "en-water_core-en-noun-7D1E-HGh",
      "links": [
        [
          "metalworking",
          "metalworking"
        ],
        [
          "hollow",
          "hollow"
        ]
      ],
      "raw_glosses": [
        "(metalworking) A hollow core through which water may be passed."
      ],
      "topics": [
        "arts",
        "crafts",
        "engineering",
        "hobbies",
        "lifestyle",
        "metallurgy",
        "metalworking",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "water core"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "water cores",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "water core (plural water cores)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A watery strip of tissue running through the main part of an apple."
      ],
      "links": [
        [
          "tissue",
          "tissue"
        ],
        [
          "apple",
          "apple"
        ]
      ]
    },
    {
      "glosses": [
        "An apple with such a strip of tissue."
      ]
    },
    {
      "categories": [
        "en:Metalworking"
      ],
      "glosses": [
        "A hollow core through which water may be passed."
      ],
      "links": [
        [
          "metalworking",
          "metalworking"
        ],
        [
          "hollow",
          "hollow"
        ]
      ],
      "raw_glosses": [
        "(metalworking) A hollow core through which water may be passed."
      ],
      "topics": [
        "arts",
        "crafts",
        "engineering",
        "hobbies",
        "lifestyle",
        "metallurgy",
        "metalworking",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "water core"
}