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Definition of: cockroach
Our photo definition of cockroach 
(kok′rōch′) noun
Any of a large group of swift–running, chiefly nocturnal insects (families Blattidae and Phyllodromidae) of world–wide distribution, having flat, oval, variously colored bodies, biting mouth parts, and a typically offensive odor, including such household pests as the Croton bug, the dark–brown Oriental cockroach (Blatta orientalis) and the large, winged American cockroach (Periplaneta americana). For illustration see INSECTS (injurious). [<Sp. cucaracha]
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