"back straight" meaning in English

{
  "forms": [
    {
      "form": "back straights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back straight (plural back straights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Athletics",
          "orig": "en:Athletics",
          "parents": [
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Horse racing",
          "orig": "en:Horse racing",
          "parents": [
            "Equestrianism",
            "Horses",
            "Animal riding",
            "Sports",
            "Equids",
            "Livestock",
            "Transport",
            "Human activity",
            "Odd-toed ungulates",
            "Agriculture",
            "Animals",
            "All topics",
            "Human behaviour",
            "Mammals",
            "Applied sciences",
            "Lifeforms",
            "Fundamental",
            "Human",
            "Vertebrates",
            "Sciences",
            "Life",
            "Chordates",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "He got boxed in amongst four African runners in the back straight of the last lap, and was only able to get out into the clear coming into the home straight.",
          "type": "example"
        }
      ],
      "glosses": [
        "The straight part of a racetrack, running track, etc., opposite the finishing line; the backstretch."
      ],
      "id": "en-back_straight-en-noun-4gaoZoQd",
      "links": [
        [
          "athletics",
          "athletics"
        ],
        [
          "horse racing",
          "horse racing"
        ],
        [
          "straight",
          "straight#Adjective"
        ],
        [
          "racetrack",
          "racetrack"
        ],
        [
          "running",
          "running"
        ],
        [
          "track",
          "track#Noun"
        ],
        [
          "finishing line",
          "finishing line"
        ],
        [
          "backstretch",
          "backstretch"
        ]
      ],
      "raw_glosses": [
        "(athletics, horse racing) The straight part of a racetrack, running track, etc., opposite the finishing line; the backstretch."
      ],
      "related": [
        {
          "word": "home straight"
        }
      ],
      "synonyms": [
        {
          "word": "backstretch"
        }
      ],
      "topics": [
        "athletics",
        "hobbies",
        "horse-racing",
        "horseracing",
        "horses",
        "lifestyle",
        "pets",
        "racing",
        "sports"
      ]
    }
  ],
  "word": "back straight"
}

{
  "forms": [
    {
      "form": "back straights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back straight (plural back straights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "home straight"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Athletics",
        "en:Horse racing"
      ],
      "examples": [
        {
          "text": "He got boxed in amongst four African runners in the back straight of the last lap, and was only able to get out into the clear coming into the home straight.",
          "type": "example"
        }
      ],
      "glosses": [
        "The straight part of a racetrack, running track, etc., opposite the finishing line; the backstretch."
      ],
      "links": [
        [
          "athletics",
          "athletics"
        ],
        [
          "horse racing",
          "horse racing"
        ],
        [
          "straight",
          "straight#Adjective"
        ],
        [
          "racetrack",
          "racetrack"
        ],
        [
          "running",
          "running"
        ],
        [
          "track",
          "track#Noun"
        ],
        [
          "finishing line",
          "finishing line"
        ],
        [
          "backstretch",
          "backstretch"
        ]
      ],
      "raw_glosses": [
        "(athletics, horse racing) The straight part of a racetrack, running track, etc., opposite the finishing line; the backstretch."
      ],
      "topics": [
        "athletics",
        "hobbies",
        "horse-racing",
        "horseracing",
        "horses",
        "lifestyle",
        "pets",
        "racing",
        "sports"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "backstretch"
    }
  ],
  "word": "back straight"
}