"parkere" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "fr",
        "3": "par cœur"
      },
      "expansion": "French par cœur",
      "name": "der"
    }
  ],
  "etymology_text": "From French par cœur. Equivalent to per + koro + -e.",
  "head_templates": [
    {
      "args": {},
      "expansion": "parkere",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "par‧ke‧re"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "to memorize",
          "word": "parkerigi"
        }
      ],
      "glosses": [
        "by heart"
      ],
      "id": "en-parkere-eo-adv-LpdzaEHD",
      "links": [
        [
          "by heart",
          "by heart"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[parˈkere]"
    },
    {
      "rhymes": "-ere"
    }
  ],
  "word": "parkere"
}

{
  "derived": [
    {
      "english": "to memorize",
      "word": "parkerigi"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "fr",
        "3": "par cœur"
      },
      "expansion": "French par cœur",
      "name": "der"
    }
  ],
  "etymology_text": "From French par cœur. Equivalent to per + koro + -e.",
  "head_templates": [
    {
      "args": {},
      "expansion": "parkere",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "par‧ke‧re"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Esperanto adverbs",
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto terms derived from French",
        "Esperanto terms with IPA pronunciation",
        "Pages with 4 entries",
        "Pages with entries",
        "Rhymes:Esperanto/ere"
      ],
      "glosses": [
        "by heart"
      ],
      "links": [
        [
          "by heart",
          "by heart"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[parˈkere]"
    },
    {
      "rhymes": "-ere"
    }
  ],
  "word": "parkere"
}