"myometer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "myo",
        "3": "meter"
      },
      "expansion": "myo- + meter",
      "name": "prefix"
    }
  ],
  "etymology_text": "From myo- + meter.",
  "forms": [
    {
      "form": "myometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "myometer (plural myometers)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with myo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
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          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "An instrument used to measure muscle contraction"
      ],
      "id": "en-myometer-en-noun-c1ImjzgU",
      "links": [
        [
          "muscle",
          "muscle"
        ],
        [
          "contraction",
          "contraction"
        ]
      ],
      "related": [
        {
          "word": "myometry"
        }
      ]
    }
  ],
  "word": "myometer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "myo",
        "3": "meter"
      },
      "expansion": "myo- + meter",
      "name": "prefix"
    }
  ],
  "etymology_text": "From myo- + meter.",
  "forms": [
    {
      "form": "myometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "myometer (plural myometers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "myometry"
    }
  ],
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with myo-",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An instrument used to measure muscle contraction"
      ],
      "links": [
        [
          "muscle",
          "muscle"
        ],
        [
          "contraction",
          "contraction"
        ]
      ]
    }
  ],
  "word": "myometer"
}