"fuego fatuo" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "ignis fatuus"
      },
      "expansion": "Calque of Latin ignis fatuus",
      "name": "cal"
    }
  ],
  "etymology_text": "Calque of Latin ignis fatuus.",
  "forms": [
    {
      "form": "fuegos fatuos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "fuego fatuo m (plural fuegos fatuos)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "fue‧go"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Fantasy",
          "orig": "es:Fantasy",
          "parents": [
            "Fiction",
            "Speculative fiction",
            "Artistic works",
            "Genres",
            "Art",
            "Entertainment",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Folklore",
          "orig": "es:Folklore",
          "parents": [
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "will o' the wisp"
      ],
      "id": "en-fuego_fatuo-es-noun-SWJvOStG",
      "links": [
        [
          "folklore",
          "folklore"
        ],
        [
          "will o' the wisp",
          "will o' the wisp"
        ]
      ],
      "raw_glosses": [
        "(folklore) will o' the wisp"
      ],
      "synonyms": [
        {
          "word": "luz de muerto"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "arts",
        "folklore",
        "history",
        "human-sciences",
        "literature",
        "media",
        "publishing",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌfweɡo ˈfatwo/"
    },
    {
      "ipa": "[ˌfwe.ɣ̞o ˈfa.t̪wo]"
    }
  ],
  "word": "fuego fatuo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "ignis fatuus"
      },
      "expansion": "Calque of Latin ignis fatuus",
      "name": "cal"
    }
  ],
  "etymology_text": "Calque of Latin ignis fatuus.",
  "forms": [
    {
      "form": "fuegos fatuos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "fuego fatuo m (plural fuegos fatuos)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "fue‧go"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish terms calqued from Latin",
        "Spanish terms derived from Latin",
        "Spanish terms with IPA pronunciation",
        "es:Fantasy",
        "es:Folklore"
      ],
      "glosses": [
        "will o' the wisp"
      ],
      "links": [
        [
          "folklore",
          "folklore"
        ],
        [
          "will o' the wisp",
          "will o' the wisp"
        ]
      ],
      "raw_glosses": [
        "(folklore) will o' the wisp"
      ],
      "synonyms": [
        {
          "word": "luz de muerto"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "arts",
        "folklore",
        "history",
        "human-sciences",
        "literature",
        "media",
        "publishing",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌfweɡo ˈfatwo/"
    },
    {
      "ipa": "[ˌfwe.ɣ̞o ˈfa.t̪wo]"
    }
  ],
  "word": "fuego fatuo"
}