"Mister President" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "Mister President",
      "name": "en-prop"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
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          "source": "w"
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
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            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Titles",
          "orig": "en:Titles",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "Ms. President"
        },
        {
          "word": "Ms President"
        },
        {
          "word": "Mrs. President"
        },
        {
          "word": "Mrs President"
        },
        {
          "word": "Missus President"
        }
      ],
      "glosses": [
        "Honorific used in addressing a president, either male or female."
      ],
      "id": "en-Mister_President-en-name-QBgCo3uO",
      "synonyms": [
        {
          "word": "Mr. President"
        },
        {
          "word": "Mr President"
        }
      ]
    }
  ],
  "word": "Mister President"
}

{
  "coordinate_terms": [
    {
      "word": "Ms. President"
    },
    {
      "word": "Ms President"
    },
    {
      "word": "Mrs. President"
    },
    {
      "word": "Mrs President"
    },
    {
      "word": "Missus President"
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Mister President",
      "name": "en-prop"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Titles"
      ],
      "glosses": [
        "Honorific used in addressing a president, either male or female."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Mr. President"
    },
    {
      "word": "Mr President"
    }
  ],
  "word": "Mister President"
}