"Cœur" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "frm",
        "3": "Cuer"
      },
      "expansion": "Middle French Cuer",
      "name": "uder"
    }
  ],
  "etymology_text": "From Middle French Cuer or Cueur.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Cœur ?",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French surnames",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Jacques Cœur, born 1395/1400"
        }
      ],
      "glosses": [
        "a French surname, equivalent to English Heart"
      ],
      "id": "en-Cœur-fr-name-WTQPJrxP",
      "links": [
        [
          "surname",
          "surname"
        ],
        [
          "Heart",
          "Heart#English"
        ]
      ]
    }
  ],
  "word": "Cœur"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "frm",
        "3": "Cuer"
      },
      "expansion": "Middle French Cuer",
      "name": "uder"
    }
  ],
  "etymology_text": "From Middle French Cuer or Cueur.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Cœur ?",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French lemmas",
        "French proper nouns",
        "French surnames",
        "French terms derived from Middle French",
        "French undefined derivations",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for gender in French entries"
      ],
      "examples": [
        {
          "text": "Jacques Cœur, born 1395/1400"
        }
      ],
      "glosses": [
        "a French surname, equivalent to English Heart"
      ],
      "links": [
        [
          "surname",
          "surname"
        ],
        [
          "Heart",
          "Heart#English"
        ]
      ]
    }
  ],
  "word": "Cœur"
}