Big Bertha


Also found in: Wikipedia.

Big Bertha

n
(Firearms, Gunnery, Ordnance & Artillery) any of three large German guns of World War I used to bombard Paris
[C20: approximate translation of German dicke Bertha: fat Bertha; named after Bertha Krupp, at whose works in Essen a very effective 42 cm mortar was made]
Mentioned in ?