American cockroach

noun
Amer·​i·​can cockroach | \ ə-ˈmer-i-kən- How to pronounce American cockroach (audio) \

Medical Definition of American cockroach

: a cockroach of the genus Periplaneta (P. americana) that is a common domestic pest infesting ships or buildings (as homes, warehouses, or bakeries) in the northern hemisphere

Learn More about American cockroach

Cite this Entry

“American cockroach.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/American%20cockroach. Accessed 6 December 2019.

Comments on American cockroach

What made you want to look up American cockroach? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

very cautious or careful

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!