[{"Bold_text": "noun", "List Items": ["a continued discharge of cannon, especially during an attack.", "an attack, as of invective or censure, suggestive of cannon fire; barrage."]}, {"Bold_text": "verb (used with object)", "List Items": ["to attack continuously with or as if with cannon"]}, {"Bold_text": "verb (used without object)", "List Items": ["to discharge like continuous cannon fire."]}]