"O'Malley's Alley" meaning in English

{
  "etymology_text": "After Walter O'Malley, American sports executive.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Baseball",
          "orig": "en:Baseball",
          "parents": [
            "Ball games",
            "Sports",
            "Human activity",
            "Human behaviour",
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      ],
      "glosses": [
        "The Los Angeles Memorial Coliseum."
      ],
      "id": "en-O'Malley's_Alley-en-name-cCUA9kZE",
      "links": [
        [
          "baseball",
          "baseball"
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      "raw_glosses": [
        "(baseball, slang, dated) The Los Angeles Memorial Coliseum."
      ],
      "tags": [
        "dated",
        "slang"
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ],
      "wikipedia": [
        "Walter O'Malley"
      ]
    }
  ],
  "word": "O'Malley's Alley"
}

{
  "etymology_text": "After Walter O'Malley, American sports executive.",
  "head_templates": [
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        "head": "O'Malley's Alley"
      },
      "expansion": "O'Malley's Alley",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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    {
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        "English dated terms",
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        "en:Baseball"
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      "glosses": [
        "The Los Angeles Memorial Coliseum."
      ],
      "links": [
        [
          "baseball",
          "baseball"
        ]
      ],
      "raw_glosses": [
        "(baseball, slang, dated) The Los Angeles Memorial Coliseum."
      ],
      "tags": [
        "dated",
        "slang"
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ],
      "wikipedia": [
        "Walter O'Malley"
      ]
    }
  ],
  "word": "O'Malley's Alley"
}