"rusting" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "rusting",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "rust"
        }
      ],
      "glosses": [
        "present participle and gerund of rust"
      ],
      "id": "en-rusting-en-verb-CoIJyPUs",
      "links": [
        [
          "rust",
          "rust#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ʌstɪŋ"
    }
  ],
  "word": "rusting"
}

{
  "forms": [
    {
      "form": "rustings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rusting (plural rustings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              109,
              117
            ]
          ],
          "ref": "1899, Scientific American, volume 81, page 309:",
          "text": "An example will best make the matter clear, and throw light, perhaps, on many cases of apparently mysterious rustings.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The development of rust on a surface."
      ],
      "id": "en-rusting-en-noun-mZt2I5Ya",
      "links": [
        [
          "rust",
          "rust"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "18 62 20",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 70 14",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "13 75 12",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "18 66 15",
          "kind": "other",
          "langcode": "en",
          "name": "Cats",
          "orig": "en:Cats",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The phenomenon where the fur of a black cat develops a brown colour when exposed to sunlight."
      ],
      "id": "en-rusting-en-noun-y0YpY4wN"
    }
  ],
  "sounds": [
    {
      "rhymes": "-ʌstɪŋ"
    }
  ],
  "word": "rusting"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:English/ʌstɪŋ",
    "Rhymes:English/ʌstɪŋ/2 syllables",
    "en:Cats"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "rusting",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "rust"
        }
      ],
      "glosses": [
        "present participle and gerund of rust"
      ],
      "links": [
        [
          "rust",
          "rust#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ʌstɪŋ"
    }
  ],
  "word": "rusting"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:English/ʌstɪŋ",
    "Rhymes:English/ʌstɪŋ/2 syllables",
    "en:Cats"
  ],
  "forms": [
    {
      "form": "rustings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rusting (plural rustings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              109,
              117
            ]
          ],
          "ref": "1899, Scientific American, volume 81, page 309:",
          "text": "An example will best make the matter clear, and throw light, perhaps, on many cases of apparently mysterious rustings.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The development of rust on a surface."
      ],
      "links": [
        [
          "rust",
          "rust"
        ]
      ]
    },
    {
      "glosses": [
        "The phenomenon where the fur of a black cat develops a brown colour when exposed to sunlight."
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ʌstɪŋ"
    }
  ],
  "word": "rusting"
}