"chapel de fer" meaning in French

{
  "forms": [
    {
      "form": "chapels de fer",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "chapel de fer m (plural chapels de fer)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a chapel de fer (helmet)",
          "word": "chapeau de fer"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Armor",
          "orig": "fr:Armor",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Les plastrons et les chapels de fer, les bassinets, les pots de fer, etc., […]\n(please add an English translation of this quotation)",
          "text": "1839, Louis François de Villeneuve-Bargemont (marq. de Villeneuve-Trans.), Histoire de saint Louis, roi de France, page 473",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of chapeau de fer: a chapel de fer (helmet)"
      ],
      "id": "en-chapel_de_fer-fr-noun-MYhceCiA",
      "links": [
        [
          "chapeau de fer",
          "chapeau de fer#French"
        ],
        [
          "chapel de fer",
          "chapel de fer#English"
        ],
        [
          "helmet",
          "helmet"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "masculine"
      ]
    }
  ],
  "word": "chapel de fer"
}

{
  "forms": [
    {
      "form": "chapels de fer",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "chapel de fer m (plural chapels de fer)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a chapel de fer (helmet)",
          "word": "chapeau de fer"
        }
      ],
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French terms with quotations",
        "Pages with 2 entries",
        "Pages with entries",
        "Requests for translations of French quotations",
        "fr:Armor"
      ],
      "examples": [
        {
          "english": "Les plastrons et les chapels de fer, les bassinets, les pots de fer, etc., […]\n(please add an English translation of this quotation)",
          "text": "1839, Louis François de Villeneuve-Bargemont (marq. de Villeneuve-Trans.), Histoire de saint Louis, roi de France, page 473",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of chapeau de fer: a chapel de fer (helmet)"
      ],
      "links": [
        [
          "chapeau de fer",
          "chapeau de fer#French"
        ],
        [
          "chapel de fer",
          "chapel de fer#English"
        ],
        [
          "helmet",
          "helmet"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "masculine"
      ]
    }
  ],
  "word": "chapel de fer"
}