"leucotome" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "leuco",
        "3": "tome"
      },
      "expansion": "leuco- + -tome",
      "name": "confix"
    }
  ],
  "etymology_text": "leuco- + -tome",
  "forms": [
    {
      "form": "leucotomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "leucotome (plural leucotomes)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with leuco-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -tome",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1970, JG Ballard, The Atrocity Exhibition",
          "text": "All sorts of rubbish is lying in the sand: a typewriter with half the keys missing (he picks out fragmentary sentences, sometimes these seem to mean something), a smashed neurosurgical unit (he pockets a handful of leucotomes, useful for self-defence).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An instrument used to perform a leucotomy."
      ],
      "id": "en-leucotome-en-noun-Fd-dQTdN",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "leucotomy",
          "leucotomy"
        ]
      ],
      "raw_glosses": [
        "(medicine) An instrument used to perform a leucotomy."
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈluːkətəʊm/"
    }
  ],
  "word": "leucotome"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "leuco",
        "3": "tome"
      },
      "expansion": "leuco- + -tome",
      "name": "confix"
    }
  ],
  "etymology_text": "leuco- + -tome",
  "forms": [
    {
      "form": "leucotomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "leucotome (plural leucotomes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 3-syllable words",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with leuco-",
        "English terms suffixed with -tome",
        "English terms with IPA pronunciation",
        "English terms with quotations",
        "en:Medicine"
      ],
      "examples": [
        {
          "ref": "1970, JG Ballard, The Atrocity Exhibition",
          "text": "All sorts of rubbish is lying in the sand: a typewriter with half the keys missing (he picks out fragmentary sentences, sometimes these seem to mean something), a smashed neurosurgical unit (he pockets a handful of leucotomes, useful for self-defence).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An instrument used to perform a leucotomy."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "leucotomy",
          "leucotomy"
        ]
      ],
      "raw_glosses": [
        "(medicine) An instrument used to perform a leucotomy."
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈluːkətəʊm/"
    }
  ],
  "word": "leucotome"
}