Source : Webster's Revised Unabridged Dictionary (1913)

Voltigeur \Vol`ti*geur\, n. [F., fr. voltiger to vault, It.
   volteggiare. See {Volt} a tread.]
   1. A tumbler; a leaper or vaulter.

   2. (Mil.) One of a picked company of irregular riflemen in
      each regiment of the French infantry.