†d.in volley, by simultaneous firing. Obsolete. rare.
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society > armed hostility > military equipment > operation and use of weapons > action of propelling missile > discharge of firearms > [adverb] > simultaneous firing
all at one shotec1330
in volley1598
1598 R. BarretTheorike & Pract. Mod. Warresiii. 42 There is yet another order of discharging of troupes of Muskets in vollie.