"érase una vez" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "érase una vez",
      "name": "head"
    }
  ],
  "hyphenation": [
    "é‧ra‧se"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Fairy tale",
          "orig": "es:Fairy tale",
          "parents": [
            "Fiction",
            "Artistic works",
            "Art",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Fiction",
          "orig": "es:Fiction",
          "parents": [
            "Artistic works",
            "Art",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Narratology",
          "orig": "es:Narratology",
          "parents": [
            "Drama",
            "Literature",
            "Theater",
            "Culture",
            "Entertainment",
            "Writing",
            "Art",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Plot devices",
          "orig": "es:Plot devices",
          "parents": [
            "Fiction",
            "Narratology",
            "Artistic works",
            "Drama",
            "Literature",
            "Art",
            "Theater",
            "Culture",
            "Entertainment",
            "Writing",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Time",
          "orig": "es:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "once upon a time"
      ],
      "id": "en-érase_una_vez-es-phrase-cc~m2v9n",
      "links": [
        [
          "once upon a time",
          "once upon a time"
        ]
      ],
      "raw_glosses": [
        "(used at the beginnings of fairytales) once upon a time"
      ],
      "raw_tags": [
        "used at the beginnings of fairytales",
        "used at the beginnings of fairytales"
      ],
      "synonyms": [
        {
          "word": "había una vez"
        },
        {
          "word": "era una vez"
        },
        {
          "word": "érase que se era"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌeɾase ˌuna ˈbeθ/",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "[ˌe.ɾa.se ˌu.na ˈβ̞eθ]",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "/ˌeɾase ˌuna ˈbes/",
      "tags": [
        "Latin-America"
      ]
    },
    {
      "ipa": "[ˌe.ɾa.se ˌu.na ˈβ̞es]",
      "tags": [
        "Latin-America"
      ]
    }
  ],
  "word": "érase una vez"
}

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "érase una vez",
      "name": "head"
    }
  ],
  "hyphenation": [
    "é‧ra‧se"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish phrases",
        "Spanish terms with IPA pronunciation",
        "es:Fairy tale",
        "es:Fiction",
        "es:Narratology",
        "es:Plot devices",
        "es:Time"
      ],
      "glosses": [
        "once upon a time"
      ],
      "links": [
        [
          "once upon a time",
          "once upon a time"
        ]
      ],
      "raw_glosses": [
        "(used at the beginnings of fairytales) once upon a time"
      ],
      "raw_tags": [
        "used at the beginnings of fairytales",
        "used at the beginnings of fairytales"
      ],
      "synonyms": [
        {
          "word": "había una vez"
        },
        {
          "word": "era una vez"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌeɾase ˌuna ˈbeθ/",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "[ˌe.ɾa.se ˌu.na ˈβ̞eθ]",
      "tags": [
        "Spain"
      ]
    },
    {
      "ipa": "/ˌeɾase ˌuna ˈbes/",
      "tags": [
        "Latin-America"
      ]
    },
    {
      "ipa": "[ˌe.ɾa.se ˌu.na ˈβ̞es]",
      "tags": [
        "Latin-America"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "érase que se era"
    }
  ],
  "word": "érase una vez"
}