"vallar crown" meaning in English

{
  "forms": [
    {
      "form": "vallar crowns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "vallar crown (plural vallar crowns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Ancient Rome",
          "orig": "en:Ancient Rome",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A circular gold crown with palisades, bestowed upon the soldier who first surmounted the rampart and broke into the enemy's camp."
      ],
      "id": "en-vallar_crown-en-noun-pJhks5b2",
      "links": [
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "crown",
          "crown"
        ],
        [
          "palisade",
          "palisade"
        ],
        [
          "rampart",
          "rampart"
        ]
      ],
      "raw_glosses": [
        "(Ancient Rome) A circular gold crown with palisades, bestowed upon the soldier who first surmounted the rampart and broke into the enemy's camp."
      ],
      "tags": [
        "Ancient-Rome"
      ]
    }
  ],
  "word": "vallar crown"
}

{
  "forms": [
    {
      "form": "vallar crowns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "vallar crown (plural vallar crowns)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Ancient Rome"
      ],
      "glosses": [
        "A circular gold crown with palisades, bestowed upon the soldier who first surmounted the rampart and broke into the enemy's camp."
      ],
      "links": [
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "crown",
          "crown"
        ],
        [
          "palisade",
          "palisade"
        ],
        [
          "rampart",
          "rampart"
        ]
      ],
      "raw_glosses": [
        "(Ancient Rome) A circular gold crown with palisades, bestowed upon the soldier who first surmounted the rampart and broke into the enemy's camp."
      ],
      "tags": [
        "Ancient-Rome"
      ]
    }
  ],
  "word": "vallar crown"
}