salvo in WordNet English dictionary

1. rapid simultaneous discharge of firearms
   "our fusillade from the left flank caught them by surprise"
   fusillade  salvo  volley  burst 
   
2. a sudden outburst of cheers
   "there was a salvo of approval"
   salvo 
   
3. an outburst resembling the discharge of firearms or the release of bombs
   salvo