"Ξυλόκαστρον" meaning in Greek

{
  "forms": [
    {
      "form": "Xylókastron",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "proper noun"
      },
      "expansion": "Ξυλόκαστρον • (Xylókastron)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Katharevousa",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "el",
          "name": "Towns",
          "orig": "el:Towns",
          "parents": [
            "Polities",
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Ξυλόκαστρο (\"Xylokastro\")"
      ],
      "id": "en-Ξυλόκαστρον-el-name--~zXj4z0",
      "links": [
        [
          "Ξυλόκαστρο",
          "Ξυλόκαστρο"
        ],
        [
          "Xylokastro",
          "Xylokastro"
        ]
      ],
      "raw_glosses": [
        "(Katharevousa) Ξυλόκαστρο (\"Xylokastro\")"
      ],
      "tags": [
        "Katharevousa"
      ]
    }
  ],
  "word": "Ξυλόκαστρον"
}

{
  "forms": [
    {
      "form": "Xylókastron",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "proper noun"
      },
      "expansion": "Ξυλόκαστρον • (Xylókastron)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek proper nouns",
        "Katharevousa",
        "el:Towns"
      ],
      "glosses": [
        "Ξυλόκαστρο (\"Xylokastro\")"
      ],
      "links": [
        [
          "Ξυλόκαστρο",
          "Ξυλόκαστρο"
        ],
        [
          "Xylokastro",
          "Xylokastro"
        ]
      ],
      "raw_glosses": [
        "(Katharevousa) Ξυλόκαστρο (\"Xylokastro\")"
      ],
      "tags": [
        "Katharevousa"
      ]
    }
  ],
  "word": "Ξυλόκαστρον"
}