kəˈləmbēˌad noun
( -s )
Etymology: French colombiade, from New Latin Columbia United States + French -ade -ad
1. capitalized : any of certain epics recounting the beginning and growth of the United States ; also : any epic with similar subject matter
2. : an obsolete heavy long-chambered muzzle-loading gun that is very thick behind the trunnions and designed for throwing shells and shot at high angles of elevation