"heart rate monitor" meaning in English

{
  "forms": [
    {
      "form": "heart rate monitors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "heart rate monitor (plural heart rate monitors)",
      "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": "Japanese terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cardiology",
          "orig": "en:Cardiology",
          "parents": [
            "Medicine",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A wearable device that allows a user to measure their heart rate in real time, usually consisting of a chest strap transmitter and a wrist receiver."
      ],
      "id": "en-heart_rate_monitor-en-noun-WTXFxKz1",
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "wearable device",
          "word": "心率監測儀"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "xīnlǜ jiāncèyí",
          "sense": "wearable device",
          "word": "心率监测仪"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "wearable device",
          "tags": [
            "masculine"
          ],
          "word": "hartmonitor"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "wearable device",
          "tags": [
            "masculine"
          ],
          "word": "hartslagmonitor"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "wearable device",
          "word": "sykemittari"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "wearable device",
          "tags": [
            "masculine"
          ],
          "word": "cardiofréquencemètre"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "wearable device",
          "tags": [
            "masculine"
          ],
          "word": "cardiofrequenzimetro"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "shinpakukei",
          "sense": "wearable device",
          "word": "心拍計"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "wearable device",
          "tags": [
            "masculine"
          ],
          "word": "pulsómetro"
        }
      ],
      "wikipedia": [
        "heart rate monitor"
      ]
    }
  ],
  "word": "heart rate monitor"
}

{
  "forms": [
    {
      "form": "heart rate monitors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "heart rate monitor (plural heart rate monitors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Japanese terms with redundant script codes",
        "en:Cardiology"
      ],
      "glosses": [
        "A wearable device that allows a user to measure their heart rate in real time, usually consisting of a chest strap transmitter and a wrist receiver."
      ],
      "wikipedia": [
        "heart rate monitor"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "wearable device",
      "word": "心率監測儀"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "xīnlǜ jiāncèyí",
      "sense": "wearable device",
      "word": "心率监测仪"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "wearable device",
      "tags": [
        "masculine"
      ],
      "word": "hartmonitor"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "wearable device",
      "tags": [
        "masculine"
      ],
      "word": "hartslagmonitor"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "wearable device",
      "word": "sykemittari"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "wearable device",
      "tags": [
        "masculine"
      ],
      "word": "cardiofréquencemètre"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "wearable device",
      "tags": [
        "masculine"
      ],
      "word": "cardiofrequenzimetro"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "shinpakukei",
      "sense": "wearable device",
      "word": "心拍計"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "wearable device",
      "tags": [
        "masculine"
      ],
      "word": "pulsómetro"
    }
  ],
  "word": "heart rate monitor"
}