salvo

noun

An exception; a reservation; an excuse.

1. A concentrated fire from pieces of artillery, as in endeavoring to make a break in a fortification; a volley.
2. A salute paid by a simultaneous, or nearly simultaneous, firing of a number of cannon.
3. (by extension) Any volley, as in an argument or debate.
4. The combined cheers of a crowd.

verb

To discharge weapons in a salvo.