"blind boil" meaning in English

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      "expansion": "blind boil (plural blind boils)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Medicine",
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          "bold_text_offsets": [
            [
              154,
              165
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          "ref": "1854, Darien Exploring Expedition (1854):",
          "text": "A singular species of worms, called by the natives 'Gusano del Monte'—Worm of the Woods, was found under the surface of the skin, and covered over like a blind boil.",
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        },
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          "ref": "1878, Robert Brough Smyth, The Aborigines of Victoria, Volume 1/Chapter 9:",
          "text": "Boils are common, too, amongst the natives in some parts. Mr. Gason says that a disease—Mirra—afflicts every native once in his life—sometimes at three years of age, but more frequently at fourteen or thereabouts. The symptoms are large blind boils, under the arms, in the groin, or on the breast or thighs, varying in size from a hen's egg to that of an emu's egg.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A boil under or on the skin that suppurates imperfectly, or fails to come to a head."
      ],
      "id": "en-blind_boil-en-noun-8gxwYpNm",
      "links": [
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          "medicine",
          "medicine"
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        [
          "boil",
          "boil"
        ],
        [
          "suppurate",
          "suppurate"
        ],
        [
          "come to a head",
          "come to a head"
        ]
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      "raw_glosses": [
        "(medicine) A boil under or on the skin that suppurates imperfectly, or fails to come to a head."
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "blind boil"
}

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    {
      "form": "blind boils",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "1854, Darien Exploring Expedition (1854):",
          "text": "A singular species of worms, called by the natives 'Gusano del Monte'—Worm of the Woods, was found under the surface of the skin, and covered over like a blind boil.",
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        },
        {
          "bold_text_offsets": [
            [
              237,
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            ]
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          "ref": "1878, Robert Brough Smyth, The Aborigines of Victoria, Volume 1/Chapter 9:",
          "text": "Boils are common, too, amongst the natives in some parts. Mr. Gason says that a disease—Mirra—afflicts every native once in his life—sometimes at three years of age, but more frequently at fourteen or thereabouts. The symptoms are large blind boils, under the arms, in the groin, or on the breast or thighs, varying in size from a hen's egg to that of an emu's egg.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A boil under or on the skin that suppurates imperfectly, or fails to come to a head."
      ],
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          "medicine",
          "medicine"
        ],
        [
          "boil",
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          "suppurate"
        ],
        [
          "come to a head",
          "come to a head"
        ]
      ],
      "raw_glosses": [
        "(medicine) A boil under or on the skin that suppurates imperfectly, or fails to come to a head."
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "blind boil"
}