"main de fer" meaning in French

{
  "forms": [
    {
      "form": "mains de fer",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "main de fer f (plural mains de fer)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "with an iron fist",
          "text": "d’une main de fer",
          "type": "example"
        }
      ],
      "glosses": [
        "iron fist"
      ],
      "id": "en-main_de_fer-fr-noun-HiTCbsgf",
      "links": [
        [
          "iron fist",
          "iron fist"
        ]
      ],
      "raw_glosses": [
        "(figurative) iron fist"
      ],
      "tags": [
        "feminine",
        "figuratively"
      ]
    },
    {
      "categories": [
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "topical",
          "langcode": "fr",
          "name": "Armor",
          "orig": "fr:Armor",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1883, Bulletin du Comité des travaux historiques et scientifiques, page 99:",
          "text": "Les articles réservés aux armures de joute (no 1-2) mentionnent des pièces d’armure de fer, des vêtements, des armes ou […] 1 gantier d’acier (5); 5 mains de fer (6); 3 paires de harnais de jambes, grèves et cuissots, plus […]",
          "type": "quote"
        },
        {
          "ref": "1885, E. van Vinkeroy, Catalogue des armes et armures, page 73:",
          "text": "Le brassard gauche, plus exposé aux chocs que le droit, porte une solide rondelle de coude et la lourde main de fer, que nous appelons «mitoñ de joute». Les doigts ne sont pas séparés, pour fournir une meilleure défense.",
          "type": "quote"
        },
        {
          "ref": "1898, Bulletin historique et philologique du Comité des travaux historiques et scientifiques, page 72:",
          "text": "[151] Pour une espaule de mouthon⁽³⁾ ... cv s.\n[152] Pour une main de fer⁽⁴⁾ ... cv s.\n[153] Pour seze rondelles⁽⁵⁾ de lames ... xlix l. […]\n⁽⁴⁾ \"Main de fer\", sorte de miton […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "manifer (“gauntlet for jousting”)"
      ],
      "id": "en-main_de_fer-fr-noun-zO-Qn0QH",
      "links": [
        [
          "manifer",
          "manifer#English"
        ]
      ],
      "raw_glosses": [
        "(historical, possibly obsolete) manifer (“gauntlet for jousting”)"
      ],
      "tags": [
        "feminine",
        "historical",
        "obsolete",
        "possibly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛ̃ d(ə) fɛʁ/"
    }
  ],
  "word": "main de fer"
}

{
  "categories": [
    "French countable nouns",
    "French entries with incorrect language header",
    "French feminine nouns",
    "French lemmas",
    "French multiword terms",
    "French nouns",
    "French terms with IPA pronunciation",
    "Pages with 2 entries",
    "Pages with entries",
    "fr:Armor"
  ],
  "forms": [
    {
      "form": "mains de fer",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "main de fer f (plural mains de fer)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French terms with usage examples"
      ],
      "examples": [
        {
          "english": "with an iron fist",
          "text": "d’une main de fer",
          "type": "example"
        }
      ],
      "glosses": [
        "iron fist"
      ],
      "links": [
        [
          "iron fist",
          "iron fist"
        ]
      ],
      "raw_glosses": [
        "(figurative) iron fist"
      ],
      "tags": [
        "feminine",
        "figuratively"
      ]
    },
    {
      "categories": [
        "French terms with historical senses",
        "French terms with obsolete senses",
        "French terms with quotations",
        "Quotation templates to be cleaned",
        "Requests for translations of French quotations"
      ],
      "examples": [
        {
          "ref": "1883, Bulletin du Comité des travaux historiques et scientifiques, page 99:",
          "text": "Les articles réservés aux armures de joute (no 1-2) mentionnent des pièces d’armure de fer, des vêtements, des armes ou […] 1 gantier d’acier (5); 5 mains de fer (6); 3 paires de harnais de jambes, grèves et cuissots, plus […]",
          "type": "quote"
        },
        {
          "ref": "1885, E. van Vinkeroy, Catalogue des armes et armures, page 73:",
          "text": "Le brassard gauche, plus exposé aux chocs que le droit, porte une solide rondelle de coude et la lourde main de fer, que nous appelons «mitoñ de joute». Les doigts ne sont pas séparés, pour fournir une meilleure défense.",
          "type": "quote"
        },
        {
          "ref": "1898, Bulletin historique et philologique du Comité des travaux historiques et scientifiques, page 72:",
          "text": "[151] Pour une espaule de mouthon⁽³⁾ ... cv s.\n[152] Pour une main de fer⁽⁴⁾ ... cv s.\n[153] Pour seze rondelles⁽⁵⁾ de lames ... xlix l. […]\n⁽⁴⁾ \"Main de fer\", sorte de miton […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "manifer (“gauntlet for jousting”)"
      ],
      "links": [
        [
          "manifer",
          "manifer#English"
        ]
      ],
      "raw_glosses": [
        "(historical, possibly obsolete) manifer (“gauntlet for jousting”)"
      ],
      "tags": [
        "feminine",
        "historical",
        "obsolete",
        "possibly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛ̃ d(ə) fɛʁ/"
    }
  ],
  "word": "main de fer"
}