"grey folk" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "p"
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      "expansion": "grey folk pl (plural only)",
      "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"
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          "source": "w"
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          "kind": "other",
          "name": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Scottish English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mythological creatures",
          "orig": "en:Mythological creatures",
          "parents": [
            "Fantasy",
            "Mythology",
            "Fiction",
            "Speculative fiction",
            "Culture",
            "Artistic works",
            "Genres",
            "Society",
            "Art",
            "Entertainment",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1888, Biot Edmonndston, Jessie Saxby, The Home of a Naturalist, page 136",
          "text": "One of the most important of all Yuletide observances was the 'saining' required to guard life or properties from the Trows. If the proper observances were omitted, the 'grey-folk' were sure to take advantage of the opportunity.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "elves, the fae, the wee folk."
      ],
      "id": "en-grey_folk-en-noun-~gC4lDdo",
      "links": [
        [
          "elves",
          "elves"
        ],
        [
          "fae",
          "fae"
        ],
        [
          "wee folk",
          "wee folk"
        ]
      ],
      "raw_glosses": [
        "(Scotland) elves, the fae, the wee folk."
      ],
      "tags": [
        "Scotland",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "grey folk"
}

{
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "grey folk pl (plural only)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "English terms with quotations",
        "Scottish English",
        "en:Mythological creatures"
      ],
      "examples": [
        {
          "ref": "1888, Biot Edmonndston, Jessie Saxby, The Home of a Naturalist, page 136",
          "text": "One of the most important of all Yuletide observances was the 'saining' required to guard life or properties from the Trows. If the proper observances were omitted, the 'grey-folk' were sure to take advantage of the opportunity.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "elves, the fae, the wee folk."
      ],
      "links": [
        [
          "elves",
          "elves"
        ],
        [
          "fae",
          "fae"
        ],
        [
          "wee folk",
          "wee folk"
        ]
      ],
      "raw_glosses": [
        "(Scotland) elves, the fae, the wee folk."
      ],
      "tags": [
        "Scotland",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "grey folk"
}