"落雷" meaning in Japanese

{
  "forms": [
    {
      "form": "落雷",
      "ruby": [
        [
          "落",
          "らく"
        ],
        [
          "雷",
          "らい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rakurai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "らくらい"
      },
      "expansion": "落(らく)雷(らい) • (rakurai)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "roman": "kongō",
      "word": "金剛: diamond"
    },
    {
      "_dis1": "0 0",
      "word": "thunderbolt"
    },
    {
      "_dis1": "0 0",
      "english": "lightning bolt",
      "roman": "inazuma",
      "ruby": [
        [
          "稲妻",
          "いなずま"
        ]
      ],
      "word": "稲妻"
    },
    {
      "_dis1": "0 0",
      "english": "thunder and lightning",
      "roman": "raiden",
      "ruby": [
        [
          "雷電",
          "らいでん"
        ]
      ],
      "word": "雷電"
    },
    {
      "_dis1": "0 0",
      "roman": "raimei",
      "word": "雷鳴: thunder"
    },
    {
      "_dis1": "0 0",
      "word": "thunderclap"
    },
    {
      "_dis1": "0 0",
      "word": "peal of thunder"
    },
    {
      "_dis1": "0 0",
      "english": "bolt",
      "roman": "boruto",
      "word": "ボルト"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "thunderbolt"
      ],
      "id": "en-落雷-ja-noun-xnKzQriu",
      "links": [
        [
          "thunderbolt",
          "thunderbolt"
        ]
      ]
    },
    {
      "glosses": [
        "lightning strike"
      ],
      "id": "en-落雷-ja-noun-PqYwuMEv",
      "links": [
        [
          "lightning",
          "lightning"
        ],
        [
          "strike",
          "strike"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "らくらい"
    },
    {
      "ipa": "[ɾa̠kɯ̟ᵝɾa̠i]"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "roman": "kaminari",
      "ruby": [
        [
          "雷",
          "かみなり"
        ]
      ],
      "word": "雷"
    },
    {
      "_dis1": "0 0",
      "roman": "inazuma",
      "ruby": [
        [
          "電",
          "いなずま"
        ]
      ],
      "word": "電"
    }
  ],
  "word": "落雷"
}

{
  "categories": [
    "Japanese entries with incorrect language header",
    "Japanese lemmas",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese terms spelled with secondary school kanji",
    "Japanese terms spelled with third grade kanji",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with redundant sortkeys",
    "Japanese terms written with two Han script characters"
  ],
  "forms": [
    {
      "form": "落雷",
      "ruby": [
        [
          "落",
          "らく"
        ],
        [
          "雷",
          "らい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rakurai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "らくらい"
      },
      "expansion": "落(らく)雷(らい) • (rakurai)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "kongō",
      "word": "金剛: diamond"
    },
    {
      "word": "thunderbolt"
    },
    {
      "english": "lightning bolt",
      "roman": "inazuma",
      "ruby": [
        [
          "稲妻",
          "いなずま"
        ]
      ],
      "word": "稲妻"
    },
    {
      "english": "thunder and lightning",
      "roman": "raiden",
      "ruby": [
        [
          "雷電",
          "らいでん"
        ]
      ],
      "word": "雷電"
    },
    {
      "roman": "raimei",
      "word": "雷鳴: thunder"
    },
    {
      "word": "thunderclap"
    },
    {
      "word": "peal of thunder"
    },
    {
      "english": "bolt",
      "roman": "boruto",
      "word": "ボルト"
    }
  ],
  "senses": [
    {
      "glosses": [
        "thunderbolt"
      ],
      "links": [
        [
          "thunderbolt",
          "thunderbolt"
        ]
      ]
    },
    {
      "glosses": [
        "lightning strike"
      ],
      "links": [
        [
          "lightning",
          "lightning"
        ],
        [
          "strike",
          "strike"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "らくらい"
    },
    {
      "ipa": "[ɾa̠kɯ̟ᵝɾa̠i]"
    }
  ],
  "synonyms": [
    {
      "roman": "kaminari",
      "ruby": [
        [
          "雷",
          "かみなり"
        ]
      ],
      "word": "雷"
    },
    {
      "roman": "inazuma",
      "ruby": [
        [
          "電",
          "いなずま"
        ]
      ],
      "word": "電"
    }
  ],
  "word": "落雷"
}