"천둥" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Sino-Korean"
      },
      "expansion": "Sino-Korean",
      "name": "l"
    },
    {
      "args": {
        "1": "천동",
        "2": "天動",
        "3": "heavenly movements"
      },
      "expansion": "천동 (天動, cheondong, “heavenly movements”)",
      "name": "ko-l"
    },
    {
      "args": {
        "1": "천동",
        "2": "天動",
        "3": "heavenly movements"
      },
      "expansion": "Nativisation of the Sino-Korean term 천동 (天動, cheondong, “heavenly movements”).",
      "name": "ko-etym-nativised"
    },
    {
      "args": {
        "1": "gy",
        "2": "天動",
        "nocat": "y"
      },
      "expansion": "First attested in the Jīlín lèishì (鷄林類事 / 계림유사), 1103, as Late Old Korean 天動.",
      "name": "ko-etym-native"
    }
  ],
  "etymology_text": "Nativisation of the Sino-Korean term 천동 (天動, cheondong, “heavenly movements”).\nFirst attested in the Jīlín lèishì (鷄林類事 / 계림유사), 1103, as Late Old Korean 天動.",
  "forms": [
    {
      "form": "cheondung",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "천둥 • (cheondung)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Nativised Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Weather",
          "orig": "ko:Weather",
          "parents": [
            "Atmosphere",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "thunder"
      ],
      "id": "en-천둥-ko-noun-Se~3R~e2",
      "links": [
        [
          "thunder",
          "thunder"
        ]
      ],
      "synonyms": [
        {
          "alt": "雷",
          "english": "thunder",
          "roman": "roe",
          "word": "뢰"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕʰʌ̹nduŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[천둥]"
    }
  ],
  "word": "천둥"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Sino-Korean"
      },
      "expansion": "Sino-Korean",
      "name": "l"
    },
    {
      "args": {
        "1": "천동",
        "2": "天動",
        "3": "heavenly movements"
      },
      "expansion": "천동 (天動, cheondong, “heavenly movements”)",
      "name": "ko-l"
    },
    {
      "args": {
        "1": "천동",
        "2": "天動",
        "3": "heavenly movements"
      },
      "expansion": "Nativisation of the Sino-Korean term 천동 (天動, cheondong, “heavenly movements”).",
      "name": "ko-etym-nativised"
    },
    {
      "args": {
        "1": "gy",
        "2": "天動",
        "nocat": "y"
      },
      "expansion": "First attested in the Jīlín lèishì (鷄林類事 / 계림유사), 1103, as Late Old Korean 天動.",
      "name": "ko-etym-native"
    }
  ],
  "etymology_text": "Nativisation of the Sino-Korean term 천동 (天動, cheondong, “heavenly movements”).\nFirst attested in the Jīlín lèishì (鷄林類事 / 계림유사), 1103, as Late Old Korean 天動.",
  "forms": [
    {
      "form": "cheondung",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "천둥 • (cheondung)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean entries with topic categories using raw markup",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms derived from Late Old Korean",
        "Korean terms inherited from Late Old Korean",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Nativised Sino-Korean words",
        "ko:Weather"
      ],
      "glosses": [
        "thunder"
      ],
      "links": [
        [
          "thunder",
          "thunder"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕʰʌ̹nduŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[천둥]"
    }
  ],
  "synonyms": [
    {
      "alt": "雷",
      "english": "thunder",
      "roman": "roe",
      "word": "뢰"
    }
  ],
  "word": "천둥"
}