"Royston crow" meaning in English

{
  "etymology_text": "Named after the town Royston, in Hertfordshire, England.",
  "forms": [
    {
      "form": "Royston crows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Royston crow (plural Royston crows)",
      "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": "lifeform",
          "langcode": "en",
          "name": "Corvids",
          "orig": "en:Corvids",
          "parents": [
            "Corvoid birds",
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The hooded crow."
      ],
      "id": "en-Royston_crow-en-noun-YtLS7okn",
      "links": [
        [
          "hooded crow",
          "hooded crow"
        ]
      ],
      "raw_glosses": [
        "(dated) The hooded crow."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "Royston crow"
}

{
  "etymology_text": "Named after the town Royston, in Hertfordshire, England.",
  "forms": [
    {
      "form": "Royston crows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Royston crow (plural Royston crows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Corvids"
      ],
      "glosses": [
        "The hooded crow."
      ],
      "links": [
        [
          "hooded crow",
          "hooded crow"
        ]
      ],
      "raw_glosses": [
        "(dated) The hooded crow."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "Royston crow"
}