cylindrical barrel metal construction a carriage or mounting a firing mechanism a large, open muzzle a large, open chamber a sight, or aiming device a bore, or hollow interior
cannon which has cylindrical barrel cannon which has metal construction cannon which is a carriage or mounting cannon which is a firing mechanism cannon which is a large, open muzzle cannon which is a large, open chamber cannon which is a sight, or aiming device cannon which is a bore, or hollow interior