de fer (invariable)

  1. (heraldry) This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.
  2. (figuratively) strong, resilient, iron
    avoir une santé de ferto be in excellent health, to have a cast-iron constitution
    avoir une volonté de ferto have a will of iron, an unbending will, an iron determination

See alsoEdit