"keratotome" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "kerato",
        "3": "tome"
      },
      "expansion": "kerato- + -tome",
      "name": "confix"
    }
  ],
  "etymology_text": "kerato- + -tome",
  "forms": [
    {
      "form": "keratotomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "keratotome (plural keratotomes)",
      "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 kerato-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -tome",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The surgical instrument used in keratotomy."
      ],
      "id": "en-keratotome-en-noun-Zijy9ux5",
      "links": [
        [
          "surgical",
          "surgical"
        ],
        [
          "instrument",
          "instrument"
        ],
        [
          "keratotomy",
          "keratotomy"
        ]
      ]
    }
  ],
  "word": "keratotome"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "kerato",
        "3": "tome"
      },
      "expansion": "kerato- + -tome",
      "name": "confix"
    }
  ],
  "etymology_text": "kerato- + -tome",
  "forms": [
    {
      "form": "keratotomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "keratotome (plural keratotomes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with kerato-",
        "English terms suffixed with -tome"
      ],
      "glosses": [
        "The surgical instrument used in keratotomy."
      ],
      "links": [
        [
          "surgical",
          "surgical"
        ],
        [
          "instrument",
          "instrument"
        ],
        [
          "keratotomy",
          "keratotomy"
        ]
      ]
    }
  ],
  "word": "keratotome"
}