"elf hill" meaning in English

{
  "forms": [
    {
      "form": "elf hills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "elf hill (plural elf hills)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
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          "parents": [],
          "source": "w"
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          "source": "w"
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      "examples": [
        {
          "bold_text_offsets": [
            [
              24,
              32
            ]
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          "ref": "1890 November 29, The Capricornian, Rockhampton, page 28, column 3:",
          "text": "\"You are invited to the elf hill for this evening,\" said she; \"but will you do me a great favour and undertake the invitations?\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of fairy hill."
      ],
      "id": "en-elf_hill-en-noun-rKNl2qc-",
      "links": [
        [
          "fairy hill",
          "fairy hill#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "fairy hill"
        }
      ]
    }
  ],
  "word": "elf hill"
}

{
  "forms": [
    {
      "form": "elf hills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "elf hill (plural elf hills)",
      "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",
        "English terms with quotations",
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        "Pages with entries"
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      "examples": [
        {
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          "ref": "1890 November 29, The Capricornian, Rockhampton, page 28, column 3:",
          "text": "\"You are invited to the elf hill for this evening,\" said she; \"but will you do me a great favour and undertake the invitations?\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of fairy hill."
      ],
      "links": [
        [
          "fairy hill",
          "fairy hill#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
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          ],
          "word": "fairy hill"
        }
      ]
    }
  ],
  "word": "elf hill"
}