"surf clam" meaning in English

{
  "forms": [
    {
      "form": "surf clams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "surf clam (plural surf clams)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "66 34",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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        {
          "_dis": "69 31",
          "kind": "lifeform",
          "langcode": "en",
          "name": "Venerida order mollusks",
          "orig": "en:Venerida order mollusks",
          "parents": [
            "Bivalves",
            "Mollusks",
            "Animals",
            "Lifeforms",
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            "Nature"
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          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Spisula solida, is a medium-sized marine clam found around the British and Irish coasts."
      ],
      "id": "en-surf_clam-en-noun-ApHRcMgZ",
      "links": [
        [
          "marine",
          "marine"
        ],
        [
          "clam",
          "clam"
        ],
        [
          "British",
          "British"
        ],
        [
          "Irish",
          "Irish"
        ],
        [
          "coast",
          "coast"
        ]
      ]
    },
    {
      "categories": [],
      "glosses": [
        "Spisula sachalinense or Mactromeris polynyma, clams commonly used in sushi."
      ],
      "id": "en-surf_clam-en-noun-5a4hqnxu",
      "links": [
        [
          "sushi",
          "sushi"
        ]
      ]
    }
  ],
  "wikipedia": [
    "surf clam"
  ],
  "word": "surf clam"
}

{
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    "English countable nouns",
    "English entries with incorrect language header",
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    "English multiword terms",
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    "en:Venerida order mollusks"
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  "forms": [
    {
      "form": "surf clams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "surf clam (plural surf clams)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries using missing taxonomic name (species)"
      ],
      "glosses": [
        "Spisula solida, is a medium-sized marine clam found around the British and Irish coasts."
      ],
      "links": [
        [
          "marine",
          "marine"
        ],
        [
          "clam",
          "clam"
        ],
        [
          "British",
          "British"
        ],
        [
          "Irish",
          "Irish"
        ],
        [
          "coast",
          "coast"
        ]
      ]
    },
    {
      "categories": [
        "Entries using missing taxonomic name (species)"
      ],
      "glosses": [
        "Spisula sachalinense or Mactromeris polynyma, clams commonly used in sushi."
      ],
      "links": [
        [
          "sushi",
          "sushi"
        ]
      ]
    }
  ],
  "wikipedia": [
    "surf clam"
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  "word": "surf clam"
}