broadside
broadside is a salvo.
Overview
Simultaneous firing of guns on one side of a ship.
In detail
broadside is a salvo.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Broadside (naval)”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q629252: broadside
Consult the source