a continued discharge of cannon, esp. during an attack.

an attack, as of invective or censure, suggestive of cannon fire; barrage.

to attack continuously with or as if with cannon

to discharge like continuous cannon fire.

verb

bombard , fusillade , pepper , shower

noun

bombardment , burst , fusillade , hail , salvo , shower , storm , volley , barrage , battery , blitz , bomb