"sand dam" meaning in English

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      "form": "sand dams",
      "tags": [
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      "expansion": "sand dam (plural sand dams)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "a rainwater harvesting structure of a concrete dam built over a seasonal riverbed, intended to fill with sand which will retain and filter water"
      ],
      "id": "en-sand_dam-en-noun-bcpV4uoe"
    }
  ],
  "word": "sand dam"
}

{
  "forms": [
    {
      "form": "sand dams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "sand dam (plural sand dams)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      ],
      "glosses": [
        "a rainwater harvesting structure of a concrete dam built over a seasonal riverbed, intended to fill with sand which will retain and filter water"
      ]
    }
  ],
  "word": "sand dam"
}