co·lum·bi·ad | \ kəˈləmbēˌad\
Definition of columbiad
1 capitalized : any of certain epics recounting the beginning and growth of the U.S. 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
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