"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"
          ],
          "source": "w"
        },
        {
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "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 lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (genus)",
        "Entries using missing taxonomic name (species)",
        "Pages with 1 entry",
        "Pages with entries",
        "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"
}