"duck's-bill limpet" meaning in English

{
  "etymology_text": "From its shape.",
  "forms": [
    {
      "form": "duck's-bill limpets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "duck's-bill limpet (plural duck's-bill limpets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "name": "English entries with topic categories using raw markup",
          "parents": [
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          "source": "w"
        },
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          "kind": "other",
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          "parents": [
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Vetigastropods",
          "orig": "en:Vetigastropods",
          "parents": [
            "Gastropods",
            "Mollusks",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A limpet of the genus Scutus, Scutus breviculus."
      ],
      "id": "en-duck's-bill_limpet-en-noun-PQCvhIMH",
      "links": [
        [
          "genus",
          "genus"
        ]
      ],
      "raw_glosses": [
        "(dated) A limpet of the genus Scutus, Scutus breviculus."
      ],
      "synonyms": [
        {
          "word": "shield shell"
        }
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "duck's-bill limpet"
}

{
  "etymology_text": "From its shape.",
  "forms": [
    {
      "form": "duck's-bill limpets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "duck's-bill limpet (plural duck's-bill limpets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Entries using missing taxonomic name (genus)",
        "Entries using missing taxonomic name (species)",
        "en:Vetigastropods"
      ],
      "glosses": [
        "A limpet of the genus Scutus, Scutus breviculus."
      ],
      "links": [
        [
          "genus",
          "genus"
        ]
      ],
      "raw_glosses": [
        "(dated) A limpet of the genus Scutus, Scutus breviculus."
      ],
      "synonyms": [
        {
          "word": "shield shell"
        }
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "duck's-bill limpet"
}