sentences:  Typically, these would have been small guns called hand cannons, rather than the heavier pieces termed bombards.The tower was built on one of the approaches to Norwich in a bend in the River Wensum, in a meadow called Cowholme, from where it acquired its current name.When first built, however, it was initially called the Dungeon, and then the "tower in the Hospital meadows", as the surrounding land was part of the St Giles Hospital.