"krach" meaning in Czech

{
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "krach m inan",
      "name": "cs-noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "tags": [
            "masculine"
          ],
          "word": "burzovní krach"
        },
        {
          "tags": [
            "masculine"
          ],
          "word": "krach na burze"
        },
        {
          "tags": [
            "masculine"
          ],
          "word": "velký krach"
        }
      ],
      "glosses": [
        "crash"
      ],
      "id": "en-krach-cs-noun-zbLg0Phz",
      "links": [
        [
          "crash",
          "crash"
        ]
      ],
      "related": [
        {
          "word": "zkrachovat"
        }
      ],
      "tags": [
        "inanimate",
        "masculine"
      ],
      "wikipedia": [
        "cs:krach"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkrax]"
    }
  ],
  "word": "krach"
}

{
  "derived": [
    {
      "tags": [
        "masculine"
      ],
      "word": "burzovní krach"
    },
    {
      "tags": [
        "masculine"
      ],
      "word": "krach na burze"
    },
    {
      "tags": [
        "masculine"
      ],
      "word": "velký krach"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "krach m inan",
      "name": "cs-noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "related": [
    {
      "word": "zkrachovat"
    }
  ],
  "senses": [
    {
      "categories": [
        "Czech entries with incorrect language header",
        "Czech inanimate nouns",
        "Czech lemmas",
        "Czech masculine nouns",
        "Czech nouns",
        "Czech terms with IPA pronunciation"
      ],
      "glosses": [
        "crash"
      ],
      "links": [
        [
          "crash",
          "crash"
        ]
      ],
      "tags": [
        "inanimate",
        "masculine"
      ],
      "wikipedia": [
        "cs:krach"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkrax]"
    }
  ],
  "word": "krach"
}