verb (used with object), can·non·ad·ed, can·non·ad·ing.
verb (used without object), can·non·ad·ed, can·non·ad·ing.
Examples from the Web for cannonade
So let the Tea people keep launching their cannonade, and let the establishment overrate Christie.The Wrong Election Takeaways From Christie’s Win, Virginia, and More|Michael Tomasky|November 7, 2013|DAILY BEAST
The cannonade continued for fifty-six hours longer, and on the 2nd of January the assault was made.The History of England in Three Volumes, Vol.III.|E. Farr and E. H. Nolan
Assuredly the narrow doorways may easily be defended; for a time, at least, the ponderous walls will mock the cannonade.
A week ago its walls were again shaken by the thunders of cannonade, when the armies met in fruitless battle.The Secret Service.|Albert D. Richardson