"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": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Athletics",
          "orig": "en:Athletics",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Horse racing",
          "orig": "en:Horse racing",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              52,
              65
            ]
          ],
          "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": [
        {
          "bold_text_offsets": [
            [
              52,
              65
            ]
          ],
          "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"
}