"pottern ore" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "alt_of": [
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          "word": "potter's ore"
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          "text": "I likewise took notice of an ore, which, for its aptness to vitrify, and serve the potters to glaze their vessels, the miners call pottern-ore, and sell it dearer than other ore",
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        }
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      "glosses": [
        "Dated form of potter's ore."
      ],
      "id": "en-pottern_ore-en-noun-9PDMNFQP",
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  "word": "pottern ore"
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  "lang_code": "en",
  "pos": "noun",
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          "word": "potter's ore"
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          "text": "I likewise took notice of an ore, which, for its aptness to vitrify, and serve the potters to glaze their vessels, the miners call pottern-ore, and sell it dearer than other ore",
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  "word": "pottern ore"
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