"double back" meaning in English

{
  "forms": [
    {
      "form": "doubles back",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "doubling back",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "doubled back",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "doubled back",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "double back (third-person singular simple present doubles back, present participle doubling back, simple past and past participle doubled back)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs with particle (back)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "They doubled back in hopes of finding the road again."
        },
        {
          "ref": "2017 July 23, Brandon Nowalk, “The great game begins with a bang on Game Of Thrones (newbies)”, in The Onion AV Club",
          "text": "And now she has the real dilemma: press on to King’s Landing, where I have no doubt she could get as close to killing Cersei as anyone else, or double back to Winterfell to reunite with her family.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To retrace one's steps; to go back where one has already gone."
      ],
      "id": "en-double_back-en-verb-yYNqFFNw",
      "links": [
        [
          "retrace",
          "retrace"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To retrace one's steps; to go back where one has already gone."
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "kääntyä takaisin"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "palata samoja jälkiä"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "revenir sur ses pas"
        },
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "Translations",
          "word": "kōnumi"
        },
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "Translations",
          "word": "kōnuminumi"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-double back.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7a/En-au-double_back.ogg/En-au-double_back.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/7a/En-au-double_back.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "double back"
}

{
  "forms": [
    {
      "form": "doubles back",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "doubling back",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "doubled back",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "doubled back",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "double back (third-person singular simple present doubles back, present participle doubling back, simple past and past participle doubled back)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (back)",
        "English terms with audio links",
        "English terms with quotations",
        "English verbs",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "text": "They doubled back in hopes of finding the road again."
        },
        {
          "ref": "2017 July 23, Brandon Nowalk, “The great game begins with a bang on Game Of Thrones (newbies)”, in The Onion AV Club",
          "text": "And now she has the real dilemma: press on to King’s Landing, where I have no doubt she could get as close to killing Cersei as anyone else, or double back to Winterfell to reunite with her family.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To retrace one's steps; to go back where one has already gone."
      ],
      "links": [
        [
          "retrace",
          "retrace"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To retrace one's steps; to go back where one has already gone."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-double back.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7a/En-au-double_back.ogg/En-au-double_back.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/7a/En-au-double_back.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "kääntyä takaisin"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "palata samoja jälkiä"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "revenir sur ses pas"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "Translations",
      "word": "kōnumi"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "Translations",
      "word": "kōnuminumi"
    }
  ],
  "word": "double back"
}