"back burn" meaning in English

{
  "forms": [
    {
      "form": "back burns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back burn (plural back burns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "backburn"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
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      "examples": [
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          "bold_text_offsets": [
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              30,
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          "ref": "2018 August 13, “Massive wildfires scorching California”, in CNN, archived from the original on 11 May 2026:",
          "text": "Firefighters try to control a back burn as the Carr Fire spreads toward the towns of Douglas City and Lewiston on July 31.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of backburn."
      ],
      "id": "en-back_burn-en-noun-muB-D8mY",
      "links": [
        [
          "backburn",
          "backburn#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "back burn"
}

{
  "forms": [
    {
      "form": "back burns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back burn (plural back burns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "backburn"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
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            [
              30,
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          ],
          "ref": "2018 August 13, “Massive wildfires scorching California”, in CNN, archived from the original on 11 May 2026:",
          "text": "Firefighters try to control a back burn as the Carr Fire spreads toward the towns of Douglas City and Lewiston on July 31.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of backburn."
      ],
      "links": [
        [
          "backburn",
          "backburn#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "back burn"
}