cockroach

play
noun cock·roach \ˈkäk-ˌrōch\

Definition of cockroach

  1. :  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

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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

play
noun cock·roach \ˈkäk-ˌrōch\

Definition of cockroach for Students

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


Medical Dictionary

cockroach

play
noun cock·roach \ˈkäk-ˌrōch\

Medical Definition of cockroach

  1. :  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



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