"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": "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",
            "Sports",
            "Equids",
            "Livestock",
            "Human activity",
            "Odd-toed ungulates",
            "Agriculture",
            "Animals",
            "Human behaviour",
            "Mammals",
            "Applied sciences",
            "Lifeforms",
            "Human",
            "Vertebrates",
            "Sciences",
            "All topics",
            "Life",
            "Chordates",
            "Fundamental",
            "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",
        "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"
}