"three-up" meaning in English

{
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      "expansion": "three-up (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Gambling",
          "orig": "en:Gambling",
          "parents": [
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Three",
          "orig": "en:Three",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
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      ],
      "glosses": [
        "A gambling game played with three coins."
      ],
      "id": "en-three-up-en-noun-nUWzK0lC",
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "gambling",
          "gamble"
        ],
        [
          "coin",
          "coin"
        ],
        [
          "Australia",
          "Australia"
        ]
      ],
      "raw_glosses": [
        "(gambling) A gambling game played with three coins."
      ],
      "related": [
        {
          "word": "two-up"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "gambling",
        "games"
      ],
      "translations": [
        {
          "code": "huj",
          "lang": "Northern Guiyang Hmong",
          "sense": "gambling game",
          "word": "mentira"
        }
      ]
    }
  ],
  "word": "three-up"
}

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      "expansion": "three-up (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "two-up"
    }
  ],
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      "glosses": [
        "A gambling game played with three coins."
      ],
      "links": [
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          "gambling",
          "gambling#Noun"
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        [
          "gambling",
          "gamble"
        ],
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          "coin",
          "coin"
        ],
        [
          "Australia",
          "Australia"
        ]
      ],
      "raw_glosses": [
        "(gambling) A gambling game played with three coins."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "gambling",
        "games"
      ]
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  ],
  "translations": [
    {
      "code": "huj",
      "lang": "Northern Guiyang Hmong",
      "sense": "gambling game",
      "word": "mentira"
    }
  ],
  "word": "three-up"
}