French edit

 
UN Peacekeeper wearing an iconic blue helmet

Etymology edit

From the colour of the helmets worn by UN peacekeepers.

Pronunciation edit

  • IPA(key): /kas.k(ə) blø/
  • (file)

Noun edit

casque bleu m (plural casques bleu)

  1. (military) United Nations peacekeeper; a blue helmet or blue beret