"rust" meaning in Middle English

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      "form": "ruste",
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  "lang_code": "enm",
  "pos": "noun",
  "related": [
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      "_dis1": "0 0 0",
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    {
      "_dis1": "0 0 0",
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        "rust (oxidisation of iron or steel)"
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        "Moral degeneration."
      ],
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        [
          "Moral",
          "moral#English"
        ],
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          "degeneration"
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      ],
      "raw_glosses": [
        "(figurative) Moral degeneration."
      ],
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        "figuratively",
        "uncountable"
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    },
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        "A fungal disease of plants."
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        "(horticulture) A fungal disease of plants."
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      "ipa": "/rust/"
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      "ipa": "/ruːst/",
      "tags": [
        "rare"
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  "word": "rust"
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