(German: "Fat Bertha" - derived from the name of Bertha Krupp, 1886-1957, married to Gustav Krupp von Bohlen und Halbach)
Popular nickname for a heavy (42 cm) howitzer, the M42, constructed by Krupp. The "Dicke Bertha" was used for the reduction by long-range fire of Belgian forts during the initial phase of World War I.