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German cockroach

American

noun

a common yellowish-brown cockroach, Blatta germanica, brought into the U.S. from Europe.

German cockroach British

noun

Also called (US): Croton bug. a small cockroach, Blattella germanica: a common household pest

"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

Etymology

Origin of German cockroach

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The German cockroach is the most common of five main cockroach pests in the UK.

From BBC • May 28, 2026

"Gel baits have been found by numerous studies to be very effective, at least in the lab, for German cockroach control," Gordon said.

From Salon • Aug. 24, 2024

Following its evolution, the German cockroach spread from Southeast Asia, hitchhiking around the world in association with humans.

From Science Daily • May 24, 2024

They confirmed that the German cockroach — a species found worldwide — actually originated in southeast Asia, likely evolving from the Asian cockroach around 2,100 years ago.

From Seattle Times • May 20, 2024

The German cockroach throughout much of North America has become resistant to chlordane, once the favorite weapon of exterminators who have now turned to the organic phosphates.

From "Silent Spring" by Rachel Carson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023