cockroach

noun cock·roach \ ˈkäk-ˌrōch \
Updated on: 9 Jan 2018

Definition of cockroach

: any of an order or suborder (Blattodea synonym Blattaria) of chiefly nocturnal insects including some that are domestic pests — compare German cockroach

Recent Examples of cockroach from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cockroach.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of cockroach

by folk etymology from Spanish cucaracha cockroach


COCKROACH Defined for English Language Learners

cockroach

noun

Definition of cockroach for English Language Learners

  • : a black or brown insect that is sometimes found in people's homes


COCKROACH Defined for Kids

cockroach

noun cock·roach \ ˈkäk-ˌrōch \

Definition of cockroach for Students

: a black or brown insect that is active chiefly at night and can be a troublesome pest in homes

Medical Dictionary

cockroach

noun cock·roach \ ˈkäk-ˌrōch \

medical Definition of cockroach

: any of an order or suborder (Blattodea synonym Blattaria) of chiefly nocturnal insects including some that are domestic pests — see blatta, blattella, periplaneta

Illustration of cockroach



Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

custom-made

Get Word of the Day daily email!

Test Your Vocabulary

What's That From? A Word Origin Quiz

  • turris-babel-by-athanasius-kircher
  • What language gave the word robot to English?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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!