Definitions by ANUBIIS

cannonade 

noun
1.
a period of continuous, (heavy gun) fire.
synonyms: bombardment, shelling, gunfire, artillery fire, barrage, pounding

verb
1.
discharge heavy guns continuously.

#1 "they listened to the cannonade of war from a distant shelter"

#2 "the midnight cannonading of black ops echoed threw halls every night after launch."

cannonade by ANUBIIS May 31, 2016