Big Bertha

noun

1

: a German gun of large bore or of long range used in World War I

2

a

: something large or cumbersome of its kind

—used especially of machines or tools

b

: something effective at long range

—used especially of cameras and photographic lenses

Word History

Etymology

approximate translation of German dicke Bertha, literally, fat Bertha, after Frau Bertha Krupp von Bohlen und Halbach †1957 proprietress of the Krupp Works, Essen, Germany, where during the First World War a particularly celebrated and effective 42-centimeter mortar was made

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now