"ostracoderm" meaning in English

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        "3": "ὄστρακον",
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        "5": "pottery fragment; shell"
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        "4": "skin"
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  "etymology_text": "From New Latin ostracum, from Ancient Greek ὄστρακον (óstrakon, “pottery fragment; shell”) + δέρμα (dérma, “skin”).",
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    {
      "form": "ostracoderms",
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        "plural"
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      "glosses": [
        "Any of the armored jawless fishes of the Paleozoic."
      ],
      "id": "en-ostracoderm-en-noun-lNnGs-Qs",
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        "(zoology) Any of the armored jawless fishes of the Paleozoic."
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      "wikipedia": [
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