Definition of "cannon fire" [cannon fire]

• Fire delivered by artillery (noun)

WordNet. Princeton University. 2010.

• "At six-thirty that evening, a thunderclap of cannon fire from the Cairo Citadel called the local diplomatic corps to Tawfik’s investiture."
• "One of the saddest memories of the fighting air - men of those black days and times was the spec - tacle of eleven remaining Hurricanes, most of them too badly damaged by bomb splinters and cannon fire to fight, yet struggling in the air and limping over to the Akyab in the hope of patching themselves up and continuing the fight."
• "Did they vainly imagine that the only place where they would have to assume undignified postures was within the scope of cannon fire from Edinburgh Castle?"