Source : Webster's Revised Unabridged Dictionary (1913)

Oriflamb \Or"i*flamb\, Oriflamme \Or"i*flamme\, n. [F.
   oriflamme, OF. oriflambe, LL. auriflamma; L. aurum gold +
   flamma flame; cf. L. flammula a little banner. So called
   because it was a flag of red silk, split into many points,
   and borne on a gilded lance.]
   1. The ancient royal standard of France.

   2. A standard or ensign, in battle. ``A handkerchief like an
      oriflamb.'' --Longfellow.

            And be your oriflamme to-day the helmet of Navarre.
                                                  --Macaulay.

Source : WordNet®

oriflamme
     n 1: an inspiring symbol or ideal that serves as a rallying point
          in a struggle
     2: a red or orange-red flag used as a standard by early French
        kings