"Big Bertha" meaning in English

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  "etymology_text": "From its German nickname, Dicke Bertha.",
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        {
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          "name": "Artillery",
          "orig": "en:Artillery",
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            "Human",
            "Fundamental"
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          "name": "World War I",
          "orig": "en:World War I",
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      "glosses": [
        "A heavy, long-range howitzer used by Germany in World War I."
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          "howitzer",
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        {
          "code": "de",
          "lang": "German",
          "sense": "a heavy, long-range howitzer",
          "tags": [
            "feminine"
          ],
          "word": "Dicke Bertha"
        }
      ],
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        "Big Bertha"
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  "word": "Big Bertha"
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  "etymology_text": "From its German nickname, Dicke Bertha.",
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      "sense": "a heavy, long-range howitzer",
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      "word": "Dicke Bertha"
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  "word": "Big Bertha"
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