"mural crown" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "corona muralis"
      },
      "expansion": "Latin corona muralis",
      "name": "uder"
    }
  ],
  "etymology_text": "Latin corona muralis",
  "forms": [
    {
      "form": "mural crowns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mural crown (plural mural crowns)",
      "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"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Heraldry",
          "orig": "en:Heraldry",
          "parents": [
            "History",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A crown or headpiece representing city walls or towers, used as a military decoration in Ancient Rome and later as a heraldic symbol in Europe."
      ],
      "id": "en-mural_crown-en-noun-OgyVv3hf",
      "links": [
        [
          "crown",
          "crown"
        ],
        [
          "headpiece",
          "headpiece"
        ],
        [
          "city",
          "city"
        ],
        [
          "wall",
          "wall"
        ],
        [
          "tower",
          "tower"
        ],
        [
          "military",
          "military"
        ],
        [
          "decoration",
          "decoration"
        ],
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "heraldic",
          "heraldic"
        ],
        [
          "symbol",
          "symbol"
        ],
        [
          "Europe",
          "Europe"
        ]
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "heraldry: a crown representing city walls or towers, used on coats of arms representing towns",
          "tags": [
            "common-gender"
          ],
          "word": "murkrone"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "heraldry: a crown representing city walls or towers, used on coats of arms representing towns",
          "tags": [
            "feminine"
          ],
          "word": "Mauerkrone"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "heraldry: a crown representing city walls or towers, used on coats of arms representing towns",
          "tags": [
            "common-gender"
          ],
          "word": "murkrona"
        }
      ],
      "wikipedia": [
        "mural crown"
      ]
    }
  ],
  "word": "mural crown"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "corona muralis"
      },
      "expansion": "Latin corona muralis",
      "name": "uder"
    }
  ],
  "etymology_text": "Latin corona muralis",
  "forms": [
    {
      "form": "mural crowns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mural crown (plural mural crowns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from Latin",
        "English terms with non-redundant non-automated sortkeys",
        "English undefined derivations",
        "en:Heraldry"
      ],
      "glosses": [
        "A crown or headpiece representing city walls or towers, used as a military decoration in Ancient Rome and later as a heraldic symbol in Europe."
      ],
      "links": [
        [
          "crown",
          "crown"
        ],
        [
          "headpiece",
          "headpiece"
        ],
        [
          "city",
          "city"
        ],
        [
          "wall",
          "wall"
        ],
        [
          "tower",
          "tower"
        ],
        [
          "military",
          "military"
        ],
        [
          "decoration",
          "decoration"
        ],
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "heraldic",
          "heraldic"
        ],
        [
          "symbol",
          "symbol"
        ],
        [
          "Europe",
          "Europe"
        ]
      ],
      "wikipedia": [
        "mural crown"
      ]
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "heraldry: a crown representing city walls or towers, used on coats of arms representing towns",
      "tags": [
        "common-gender"
      ],
      "word": "murkrone"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "heraldry: a crown representing city walls or towers, used on coats of arms representing towns",
      "tags": [
        "feminine"
      ],
      "word": "Mauerkrone"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "heraldry: a crown representing city walls or towers, used on coats of arms representing towns",
      "tags": [
        "common-gender"
      ],
      "word": "murkrona"
    }
  ],
  "word": "mural crown"
}