Definition of blood and iron in English:

blood and iron

noun

historical
  • In foreign policy (originally and chiefly that of Otto von Bismarck (1815-98)): the use of military force rather than diplomacy; the advocacy of such an approach.

Phrases

  • man of blood and iron

    • : (originally) a nickname for Otto von Bismarck (with reference to his advocacy of military force as a tool of foreign policy); (later also more generally) any advocate of force rather than diplomacy.

Origin

Mid 19th century; earliest use found in Bradford Observer. From blood + and + iron, after German Blut und Eisen.

Pronunciation

blood and iron

/ˌblʌd (ə)n(d) ˈ ʌɪən/