"pinniform" meaning in English

{
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    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "pinna",
        "4": "",
        "5": "feather, fin"
      },
      "expansion": "Latin pinna (“feather, fin”)",
      "name": "der"
    },
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      "args": {
        "1": "en",
        "2": "-form"
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      "expansion": "-form",
      "name": "af"
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  ],
  "etymology_text": "From Latin pinna (“feather, fin”) + -form.",
  "forms": [
    {
      "form": "more pinniform",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most pinniform",
      "tags": [
        "superlative"
      ]
    }
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      "expansion": "pinniform (comparative more pinniform, superlative most pinniform)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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      "examples": [
        {
          "ref": "1752, John Hill, A General Natural History:",
          "text": "The Blennius , with pinniform and bifid cirri under the throat , and with transverse areolæ on the back",
          "type": "quote"
        }
      ],
      "glosses": [
        "Shaped like a fin or feather."
      ],
      "id": "en-pinniform-en-adj-Z3QAUvd8",
      "links": [
        [
          "fin",
          "fin"
        ],
        [
          "feather",
          "feather"
        ]
      ]
    }
  ],
  "word": "pinniform"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "pinna",
        "4": "",
        "5": "feather, fin"
      },
      "expansion": "Latin pinna (“feather, fin”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "-form"
      },
      "expansion": "-form",
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  ],
  "etymology_text": "From Latin pinna (“feather, fin”) + -form.",
  "forms": [
    {
      "form": "more pinniform",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most pinniform",
      "tags": [
        "superlative"
      ]
    }
  ],
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    {
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      "expansion": "pinniform (comparative more pinniform, superlative most pinniform)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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        {
          "ref": "1752, John Hill, A General Natural History:",
          "text": "The Blennius , with pinniform and bifid cirri under the throat , and with transverse areolæ on the back",
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        }
      ],
      "glosses": [
        "Shaped like a fin or feather."
      ],
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          "fin",
          "fin"
        ],
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          "feather",
          "feather"
        ]
      ]
    }
  ],
  "word": "pinniform"
}