salvo

ot noun

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

fe’l verb

1. To discharge weapons in a salvo.