"spring-heeled Jack" meaning in English

{
  "forms": [
    {
      "form": "spring-heeled Jacks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "spring-heeled Jack"
      },
      "expansion": "spring-heeled Jack (plural spring-heeled Jacks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Folklore",
          "orig": "en:Folklore",
          "parents": [
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1863, Charles Kingsley, The Water Babies: A Fairy Tale for a Land Baby",
          "text": "And he rattled, thumped, brandished his thunderbox, yelled, shouted, raved, roared, stamped, and danced corrobory like any black fellow; and then he touched a spring in the thunderbox, and out popped turnip-ghosts and magic-lanthorns and pasteboard bogies and spring-heeled Jacks and sallaballas […]",
          "type": "quotation"
        },
        {
          "ref": "1887, English Dialect Society, Publications, volume 21, number 53, page 367",
          "text": "Servant-girls who have just received their year's wages at Christmas will frequently profess themselves afraid to go home after dusk, because “there are so many o' these Spring-heeled Jacks about.”",
          "type": "quotation"
        },
        {
          "ref": "1953, John B. Cairns, Bright and early: a bookseller's memories of Edinburgh and Lasswade",
          "text": "London and Edinburgh had their spring-heeled jacks long before they appeared in Lasswade in Johnny's time. As long ago as 1837 a real, flesh-and-blood ghost in the shape of a spring-heeled jack was caught by a London policeman […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A terrifying man of bizarre appearance and able to make extraordinary leaps, the subject of English folklore of the Victorian era."
      ],
      "id": "en-spring-heeled_Jack-en-noun-ExFpVk1S",
      "links": [
        [
          "folklore",
          "folklore"
        ]
      ],
      "raw_glosses": [
        "(historical, folklore) A terrifying man of bizarre appearance and able to make extraordinary leaps, the subject of English folklore of the Victorian era."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "arts",
        "folklore",
        "history",
        "human-sciences",
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        "media",
        "publishing",
        "sciences"
      ],
      "wikipedia": [
        "spring-heeled Jack"
      ]
    }
  ],
  "word": "spring-heeled Jack"
}

{
  "forms": [
    {
      "form": "spring-heeled Jacks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "spring-heeled Jack"
      },
      "expansion": "spring-heeled Jack (plural spring-heeled Jacks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Folklore"
      ],
      "examples": [
        {
          "ref": "1863, Charles Kingsley, The Water Babies: A Fairy Tale for a Land Baby",
          "text": "And he rattled, thumped, brandished his thunderbox, yelled, shouted, raved, roared, stamped, and danced corrobory like any black fellow; and then he touched a spring in the thunderbox, and out popped turnip-ghosts and magic-lanthorns and pasteboard bogies and spring-heeled Jacks and sallaballas […]",
          "type": "quotation"
        },
        {
          "ref": "1887, English Dialect Society, Publications, volume 21, number 53, page 367",
          "text": "Servant-girls who have just received their year's wages at Christmas will frequently profess themselves afraid to go home after dusk, because “there are so many o' these Spring-heeled Jacks about.”",
          "type": "quotation"
        },
        {
          "ref": "1953, John B. Cairns, Bright and early: a bookseller's memories of Edinburgh and Lasswade",
          "text": "London and Edinburgh had their spring-heeled jacks long before they appeared in Lasswade in Johnny's time. As long ago as 1837 a real, flesh-and-blood ghost in the shape of a spring-heeled jack was caught by a London policeman […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A terrifying man of bizarre appearance and able to make extraordinary leaps, the subject of English folklore of the Victorian era."
      ],
      "links": [
        [
          "folklore",
          "folklore"
        ]
      ],
      "raw_glosses": [
        "(historical, folklore) A terrifying man of bizarre appearance and able to make extraordinary leaps, the subject of English folklore of the Victorian era."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "arts",
        "folklore",
        "history",
        "human-sciences",
        "literature",
        "media",
        "publishing",
        "sciences"
      ],
      "wikipedia": [
        "spring-heeled Jack"
      ]
    }
  ],
  "word": "spring-heeled Jack"
}