a sudden outburst of cheers; "there was a salvo of approval" an outburst resembling the discharge of firearms or the release of bombs
rapid simultaneous discharge of firearms; "our fusillade from the left flank caught them by surprise"
A salvo is the firing of several guns or missiles at the same time in a battle or ceremony. They were to fire a salvo of blanks, after the national anthem
A salvo of angry words is a lot of them spoken or written at about the same time. His testimony, however, was only one in a salvo of new attacks