Source : Webster's Revised Unabridged Dictionary (1913)

Fusillade \Fu"sil*lade"\, n. [F. fusillade, cf. It. fucilata.
   See {Fusil} a firelock.] (Mil.)
   A simultaneous discharge of firearms.

Fusillade \Fu"sil*lade"\, v. t. [imp. & p. p. {Fusillader}; p.
   pr. & vb. n. {Fusillading}.]
   To shoot down of shoot at by a simultaneous discharge of
   firearms.

Source : WordNet®

fusillade
     n : rapid simultaneous discharge of firearms; "our fusillade
         from the left flank caught them by surprise" [syn: {salvo},
          {volley}, {burst}]
     v : attack with fusillade