Source : Webster's Revised Unabridged Dictionary (1913)

Bracer \Bra"cer\, n.
   1. That which braces, binds, or makes firm; a band or
      bandage.

   2. A covering to protect the arm of the bowman from the
      vibration of the string; also, a brassart. --Chaucer.

   3. A medicine, as an astringent or a tonic, which gives
      tension or tone to any part of the body. --Johnson.

Source : WordNet®

bracer
     n 1: a protective covering for the wrist or arm that is used in
          archery and fencing and other sports [syn: {armguard}]
     2: a tonic or restorative (especially a drink of liquor) [syn:
        {pick-me-up}]