"wellhole" meaning in English

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      "expansion": "well + hole",
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  "etymology_text": "From well + hole.",
  "forms": [
    {
      "form": "wellholes",
      "tags": [
        "plural"
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      "expansion": "wellhole (plural wellholes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
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      "glosses": [
        "The open space in a floor, to accommodate a staircase."
      ],
      "id": "en-wellhole-en-noun-YRIMiIil",
      "links": [
        [
          "floor",
          "floor"
        ],
        [
          "accommodate",
          "accommodate"
        ],
        [
          "staircase",
          "staircase"
        ]
      ]
    },
    {
      "categories": [
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        {
          "ref": "1846, W. M. Buchanan, The Dictionary of Science and Technical Terms Used in Philosophy, Literature...:",
          "text": "well-holes of the stairs and chimney",
          "type": "quote"
        }
      ],
      "glosses": [
        "The open space left beyond the ends of the steps of a staircase."
      ],
      "id": "en-wellhole-en-noun-qtn970H-",
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        [
          "step",
          "step"
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      ],
      "glosses": [
        "A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes."
      ],
      "id": "en-wellhole-en-noun-z9sGHMY3",
      "links": [
        [
          "cavity",
          "cavity"
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          "weight",
          "weight"
        ],
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          "mechanical",
          "mechanical"
        ]
      ]
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  "word": "wellhole"
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        "2": "well",
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  ],
  "etymology_text": "From well + hole.",
  "forms": [
    {
      "form": "wellholes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The open space in a floor, to accommodate a staircase."
      ],
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          "floor",
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          "accommodate",
          "accommodate"
        ],
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          "staircase",
          "staircase"
        ]
      ]
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      "examples": [
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          "text": "well-holes of the stairs and chimney",
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      ],
      "glosses": [
        "The open space left beyond the ends of the steps of a staircase."
      ],
      "links": [
        [
          "step",
          "step"
        ]
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    },
    {
      "glosses": [
        "A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes."
      ],
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          "cavity",
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          "weight",
          "weight"
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