Dictionary.com
definitions
  • synonyms

Big Bertha

See more synonyms on Thesaurus.com
noun Informal.
  1. a large, long-range German cannon used during World War I.
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for big bertha

Big Bertha

noun
  1. any of three large German guns of World War I used to bombard Paris
Show More

Word Origin

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012