cockroach

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cockroach

(kŏk′rōch′)
n.
Any of numerous insects of the order or suborder Blattaria, having oval flat bodies and laying eggs in hardened cases, and including several species that are common household pests.

cockroach

the common name of members of the Blattidae family of insects that infest homes, workplaces, and other areas inhabited by humans. Cockroaches transmit a number of disease agents, including bacteria, protozoa, and eggs of parasitic worms.
A largely nocturnal insect, Order Blattaria; most common US roaches are Periplaneta americana, Blattella germanica and B orientalis, and are of medical interest as potential vectors for bacteria—e.g., Salmonella species; other organisms cultured from cockroaches include Shigella, Proteus, Mycobacterium spp, E coli, Klebsiella pneumoniae and Pseudomonas aeruginosa

cockroach

Entomology A largely nocturnal insect, Order Blattaria; most common US roaches are Periplaneta americana, Blattella germanica and B orientalis, and are of medical interest as potential vectors for bacteria–eg, Salmonella spp; other organisms cultured from cockroaches include Shigella, Proteus, Mycobacterium spp, E coli, Klebsiella pneumoniae and Pseudomonas aeruginosa

cockroach

the common name for members of the insect order Dictyoptera.