oriflamme

 
Pronunciation: /ˈɒrɪflam/

noun

historical
  • the sacred scarlet banner of St Denis, given to early French kings by the abbot of St Denis on setting out for war.
  • literary a bright, conspicuous object: her hair is swept up to a glossy oriflamme

Origin:

late Middle English: from Old French, from Latin aurum 'gold' + flamma 'flame'