"clustered index" meaning in English

{
  "forms": [
    {
      "form": "clustered indices",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "clustered indexes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "clustered indices",
        "2": "+"
      },
      "expansion": "clustered index (plural clustered indices or clustered indexes)",
      "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"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Databases",
          "orig": "en:Databases",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a type of database index that physically sorts the data in a table on the disk to match the criteria specified by the index."
      ],
      "id": "en-clustered_index-en-noun-PVipe5rI",
      "links": [
        [
          "database",
          "database"
        ],
        [
          "table",
          "table"
        ],
        [
          "disk",
          "disk"
        ]
      ],
      "raw_glosses": [
        "(databases) a type of database index that physically sorts the data in a table on the disk to match the criteria specified by the index."
      ],
      "related": [
        {
          "word": "nonclustered index"
        }
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Index that sorts the data in a table",
          "tags": [
            "masculine"
          ],
          "word": "index cluster"
        }
      ],
      "wikipedia": [
        "Clustered index"
      ]
    }
  ],
  "word": "clustered index"
}

{
  "forms": [
    {
      "form": "clustered indices",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "clustered indexes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "clustered indices",
        "2": "+"
      },
      "expansion": "clustered index (plural clustered indices or clustered indexes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "nonclustered index"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations",
        "en:Databases"
      ],
      "glosses": [
        "a type of database index that physically sorts the data in a table on the disk to match the criteria specified by the index."
      ],
      "links": [
        [
          "database",
          "database"
        ],
        [
          "table",
          "table"
        ],
        [
          "disk",
          "disk"
        ]
      ],
      "raw_glosses": [
        "(databases) a type of database index that physically sorts the data in a table on the disk to match the criteria specified by the index."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Clustered index"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Index that sorts the data in a table",
      "tags": [
        "masculine"
      ],
      "word": "index cluster"
    }
  ],
  "word": "clustered index"
}