Source : Webster's Revised Unabridged Dictionary (1913)

Brandish \Bran"dish\, v. t. [imp. & p. p. {Brandished}; p. pr. &
   vb. n. {Brandishing}.] [OE. braundisen, F. brandir, fr. brand
   a sword, fr. OHG. brant brand. See {Brand}, n.]
   1. To move or wave, as a weapon; to raise and move in various
      directions; to shake or flourish.

            The quivering lance which he brandished bright.
                                                  --Drake.

   2. To play with; to flourish; as, to brandish syllogisms.

Brandish \Bran"dish\, n.
   A flourish, as with a weapon, whip, etc. ``Brandishes of the
   fan.'' --Tailer.

Source : WordNet®

brandish
     n : the act of waving [syn: {flourish}]
     v 1: move or swing back and forth; "She waved her gun" [syn: {flourish},
           {wave}]
     2: exhibit aggressively; "brandish a sword"