"buy the rack" meaning in English

{
  "etymology_text": "In reference to the racks on which gambling tickets were once offered for sale.",
  "forms": [
    {
      "form": "buys the rack",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "buying the rack",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bought the rack",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bought the rack",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "buys the rack",
        "2": "buying the rack",
        "3": "bought the rack"
      },
      "expansion": "buy the rack (third-person singular simple present buys the rack, present participle buying the rack, simple past and past participle bought the rack)",
      "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": "topical",
          "langcode": "en",
          "name": "Gambling",
          "orig": "en:Gambling",
          "parents": [
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1949, Ernest Evred Blanche, You Can't Win: Facts and Fallacies about Gambling, page 66",
          "text": "If there are ten horses in each race, there are 100 possible selections, and the total cost of “buying the rack” would be $200.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To place bets on all possible combinations for the daily double."
      ],
      "id": "en-buy_the_rack-en-verb-zsFwhWyR",
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "bet",
          "bet"
        ],
        [
          "combination",
          "combination"
        ],
        [
          "daily double",
          "daily double"
        ]
      ],
      "raw_glosses": [
        "(gambling) To place bets on all possible combinations for the daily double."
      ],
      "topics": [
        "gambling",
        "games"
      ]
    }
  ],
  "word": "buy the rack"
}

{
  "etymology_text": "In reference to the racks on which gambling tickets were once offered for sale.",
  "forms": [
    {
      "form": "buys the rack",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "buying the rack",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bought the rack",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bought the rack",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "buys the rack",
        "2": "buying the rack",
        "3": "bought the rack"
      },
      "expansion": "buy the rack (third-person singular simple present buys the rack, present participle buying the rack, simple past and past participle bought the rack)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Quotation templates to be cleaned",
        "en:Gambling"
      ],
      "examples": [
        {
          "ref": "1949, Ernest Evred Blanche, You Can't Win: Facts and Fallacies about Gambling, page 66",
          "text": "If there are ten horses in each race, there are 100 possible selections, and the total cost of “buying the rack” would be $200.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To place bets on all possible combinations for the daily double."
      ],
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "bet",
          "bet"
        ],
        [
          "combination",
          "combination"
        ],
        [
          "daily double",
          "daily double"
        ]
      ],
      "raw_glosses": [
        "(gambling) To place bets on all possible combinations for the daily double."
      ],
      "topics": [
        "gambling",
        "games"
      ]
    }
  ],
  "word": "buy the rack"
}