"casemated" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "casemate",
        "3": "ed"
      },
      "expansion": "casemate + -ed",
      "name": "suffix"
    }
  ],
  "etymology_text": "casemate + -ed",
  "head_templates": [
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      "args": {
        "1": "-"
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      "expansion": "casemated (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "name": "English terms suffixed with -ed",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "ref": "1844, E. S. Norman Campbell, A Dictionary of the Military Science",
          "text": "Casemated batteries are sometimes used in the seafaces of works , and in defending the entrance of harbours , in which case they consist of a bomb - proof",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Furnished with, protected by, or built like a casemate."
      ],
      "id": "en-casemated-en-adj-hLyKA1iJ",
      "links": [
        [
          "casemate",
          "casemate"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "casemated"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "casemate",
        "3": "ed"
      },
      "expansion": "casemate + -ed",
      "name": "suffix"
    }
  ],
  "etymology_text": "casemate + -ed",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "casemated (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -ed",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Quotation templates to be cleaned"
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      "examples": [
        {
          "ref": "1844, E. S. Norman Campbell, A Dictionary of the Military Science",
          "text": "Casemated batteries are sometimes used in the seafaces of works , and in defending the entrance of harbours , in which case they consist of a bomb - proof",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Furnished with, protected by, or built like a casemate."
      ],
      "links": [
        [
          "casemate",
          "casemate"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "casemated"
}