"Mk" meaning in Hungarian

{
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "proper noun"
      },
      "expansion": "Mk",
      "name": "head"
    }
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Márk"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Hungarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "hu",
          "name": "Bible",
          "orig": "hu:Bible",
          "parents": [
            "Books",
            "Christianity",
            "Judaism",
            "Literature",
            "Mass media",
            "Abrahamism",
            "Culture",
            "Entertainment",
            "Writing",
            "Media",
            "Religion",
            "Society",
            "Human behaviour",
            "Language",
            "Communication",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of Márk."
      ],
      "id": "en-Mk-hu-name-9pvUtu5h",
      "links": [
        [
          "biblical",
          "Bible"
        ],
        [
          "Márk",
          "Márk#Hungarian"
        ]
      ],
      "raw_glosses": [
        "(biblical) Abbreviation of Márk."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "biblical",
        "lifestyle",
        "religion"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈmaːrk]"
    }
  ],
  "word": "Mk"
}

{
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "proper noun"
      },
      "expansion": "Mk",
      "name": "head"
    }
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Márk"
        }
      ],
      "categories": [
        "Hungarian abbreviations",
        "Hungarian entries with incorrect language header",
        "Hungarian lemmas",
        "Hungarian proper nouns",
        "Hungarian terms with IPA pronunciation",
        "Hungarian terms with manual IPA pronunciation",
        "hu:Bible"
      ],
      "glosses": [
        "Abbreviation of Márk."
      ],
      "links": [
        [
          "biblical",
          "Bible"
        ],
        [
          "Márk",
          "Márk#Hungarian"
        ]
      ],
      "raw_glosses": [
        "(biblical) Abbreviation of Márk."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "biblical",
        "lifestyle",
        "religion"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈmaːrk]"
    }
  ],
  "word": "Mk"
}