"heart massage" meaning in English

{
  "forms": [
    {
      "form": "heart massages",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "heart massage (plural heart massages)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2017 June 18, Gregory Katz, “1 Dead, 10 Hurt in Crash near Mosque Suspected as Terrorism”, in The Associated Press, The Associated Press, retrieved 2017-06-19:",
          "text": "Eyewitnesses reported seeing police give emergency heart massage to at least one of the injured.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Cardiopulmonary resuscitation."
      ],
      "id": "en-heart_massage-en-noun-6yCnCCVa",
      "links": [
        [
          "Cardiopulmonary resuscitation",
          "cardiopulmonary resuscitation"
        ]
      ]
    }
  ],
  "word": "heart massage"
}

{
  "forms": [
    {
      "form": "heart massages",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "heart massage (plural heart massages)",
      "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",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2017 June 18, Gregory Katz, “1 Dead, 10 Hurt in Crash near Mosque Suspected as Terrorism”, in The Associated Press, The Associated Press, retrieved 2017-06-19:",
          "text": "Eyewitnesses reported seeing police give emergency heart massage to at least one of the injured.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Cardiopulmonary resuscitation."
      ],
      "links": [
        [
          "Cardiopulmonary resuscitation",
          "cardiopulmonary resuscitation"
        ]
      ]
    }
  ],
  "word": "heart massage"
}