"backdraft" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "back",
        "3": "draft"
      },
      "expansion": "back + draft",
      "name": "af"
    }
  ],
  "etymology_text": "From back + draft.",
  "forms": [
    {
      "form": "backdrafts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backdraft (plural backdrafts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Firefighting",
          "orig": "en:Firefighting",
          "parents": [
            "Emergency services",
            "Fire",
            "Public safety",
            "Combustion",
            "Light sources",
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            "Government",
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      ],
      "glosses": [
        "Sudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire."
      ],
      "id": "en-backdraft-en-noun-RfoCxwRv",
      "links": [
        [
          "firefighting",
          "firefighting"
        ],
        [
          "recombustion",
          "recombustion"
        ],
        [
          "rapid",
          "rapid"
        ],
        [
          "reintroduction",
          "reintroduction"
        ],
        [
          "oxygen",
          "oxygen"
        ],
        [
          "enclosed",
          "enclosed"
        ],
        [
          "fire",
          "fire"
        ]
      ],
      "raw_glosses": [
        "(American spelling, firefighting) Sudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire."
      ],
      "related": [
        {
          "word": "smoke explosion"
        },
        {
          "word": "a different extreme fire behavior phenomenon"
        },
        {
          "word": "fire"
        },
        {
          "word": "firefighting"
        },
        {
          "word": "volatile"
        }
      ],
      "synonyms": [
        {
          "word": "back draft"
        },
        {
          "word": "back draught"
        },
        {
          "word": "backdraught"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "firefighting",
        "government"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "recombustion",
          "word": "humahdus"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "recombustion",
          "word": "leimahdus"
        }
      ],
      "wikipedia": [
        "backdraft"
      ]
    }
  ],
  "word": "backdraft"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "back",
        "3": "draft"
      },
      "expansion": "back + draft",
      "name": "af"
    }
  ],
  "etymology_text": "From back + draft.",
  "forms": [
    {
      "form": "backdrafts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backdraft (plural backdrafts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "smoke explosion"
    },
    {
      "word": "a different extreme fire behavior phenomenon"
    },
    {
      "word": "fire"
    },
    {
      "word": "firefighting"
    },
    {
      "word": "volatile"
    }
  ],
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      "glosses": [
        "Sudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire."
      ],
      "links": [
        [
          "firefighting",
          "firefighting"
        ],
        [
          "recombustion",
          "recombustion"
        ],
        [
          "rapid",
          "rapid"
        ],
        [
          "reintroduction",
          "reintroduction"
        ],
        [
          "oxygen",
          "oxygen"
        ],
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          "enclosed",
          "enclosed"
        ],
        [
          "fire",
          "fire"
        ]
      ],
      "raw_glosses": [
        "(American spelling, firefighting) Sudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire."
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "firefighting",
        "government"
      ],
      "wikipedia": [
        "backdraft"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "back draft"
    },
    {
      "word": "back draught"
    },
    {
      "word": "backdraught"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "recombustion",
      "word": "humahdus"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "recombustion",
      "word": "leimahdus"
    }
  ],
  "word": "backdraft"
}