"맏아들" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "맏—",
        "2": "the eldest"
      },
      "expansion": "맏— (mat-, “the eldest”)",
      "name": "ko-l"
    },
    {
      "args": {
        "1": "아들",
        "2": "",
        "3": "son"
      },
      "expansion": "아들 (adeul, “son”)",
      "name": "ko-l"
    }
  ],
  "etymology_text": "From 맏— (mat-, “the eldest”) + 아들 (adeul, “son”).",
  "forms": [
    {
      "form": "madadeul",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "맏아들 • (madadeul)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Family members",
          "orig": "ko:Family members",
          "parents": [
            "Family",
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the eldest son"
      ],
      "id": "en-맏아들-ko-noun-UN19OHc9",
      "links": [
        [
          "eldest",
          "eldest"
        ],
        [
          "son",
          "son"
        ]
      ],
      "synonyms": [
        {
          "word": "큰아들"
        },
        {
          "alt": "長子",
          "word": "장자"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ma̠da̠dɯɭ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "마다들"
    },
    {
      "other": "[마다들]"
    }
  ],
  "word": "맏아들"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "맏—",
        "2": "the eldest"
      },
      "expansion": "맏— (mat-, “the eldest”)",
      "name": "ko-l"
    },
    {
      "args": {
        "1": "아들",
        "2": "",
        "3": "son"
      },
      "expansion": "아들 (adeul, “son”)",
      "name": "ko-l"
    }
  ],
  "etymology_text": "From 맏— (mat-, “the eldest”) + 아들 (adeul, “son”).",
  "forms": [
    {
      "form": "madadeul",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "맏아들 • (madadeul)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "ko:Family members"
      ],
      "glosses": [
        "the eldest son"
      ],
      "links": [
        [
          "eldest",
          "eldest"
        ],
        [
          "son",
          "son"
        ]
      ],
      "synonyms": [
        {
          "word": "큰아들"
        },
        {
          "alt": "長子",
          "word": "장자"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ma̠da̠dɯɭ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "마다들"
    },
    {
      "other": "[마다들]"
    }
  ],
  "word": "맏아들"
}